diff --git a/src/compiler/commandLineParser.ts b/src/compiler/commandLineParser.ts
index c17cc4ef9ca01..2429fd8f32239 100644
--- a/src/compiler/commandLineParser.ts
+++ b/src/compiler/commandLineParser.ts
@@ -249,7 +249,8 @@ const libEntries: [string, string][] = [
     ["esnext.iterator", "lib.es2025.iterator.d.ts"],
     ["esnext.promise", "lib.es2025.promise.d.ts"],
     // ESNext By-feature options
-    ["esnext.array", "lib.esnext.array.d.ts"],
+    ["esnext.array", "lib.esnext.array.d.ts"],
+    ["esnext.math", "lib.esnext.math.d.ts"],
     ["esnext.collection", "lib.esnext.collection.d.ts"],
     ["esnext.date", "lib.esnext.date.d.ts"],
     ["esnext.decorators", "lib.esnext.decorators.d.ts"],
diff --git a/src/compiler/utilities.ts b/src/compiler/utilities.ts
index 38425f9ab052e..747e4672ca3d1 100644
--- a/src/compiler/utilities.ts
+++ b/src/compiler/utilities.ts
@@ -1573,6 +1573,9 @@ export const getScriptTargetFeatures: () => ScriptTargetFeatures = /* @__PURE__
             es2025: [
                 "f16round",
             ],
+            esnext: [
+                "sumPrecise",
+            ],
         })),
         Map: new Map(Object.entries({
             es2015: [
diff --git a/src/lib/esnext.d.ts b/src/lib/esnext.d.ts
index 10d459816a349..acbb46fd351eb 100644
--- a/src/lib/esnext.d.ts
+++ b/src/lib/esnext.d.ts
@@ -9,3 +9,4 @@
 /// <reference lib="esnext.typedarrays" />
 /// <reference lib="esnext.temporal" />
 /// <reference lib="esnext.date" />
+/// <reference lib="esnext.math" />
diff --git a/src/lib/esnext.math.d.ts b/src/lib/esnext.math.d.ts
new file mode 100644
index 0000000000000..e4d2b182e9ecd
--- /dev/null
+++ b/src/lib/esnext.math.d.ts
@@ -0,0 +1,14 @@
+/// <reference lib="es2015.iterable" />
+
+interface Math {
+    /**
+     * Returns the sum of the values in the iterable using a more precise
+     * summation algorithm than naive floating-point addition.
+     * Returns `-0` if the iterable is empty.
+     * @param numbers An iterable (such as an Array) of numbers.
+     * @throws {TypeError} If `numbers` is not iterable, or if any value in the iterable is not of type `number`.
+     * @throws {RangeError} If the iterable yields 2^53 or more values.
+     * @see https://tc39.es/proposal-math-sum/
+     */
+    sumPrecise(numbers: Iterable<number>): number;
+}
diff --git a/src/lib/libs.json b/src/lib/libs.json
index 5bc6a8b57a2c1..963dda86a456c 100644
--- a/src/lib/libs.json
+++ b/src/lib/libs.json
@@ -87,6 +87,7 @@
         "es2025.promise",
         "es2025.regexp",
         "esnext.array",
+        "esnext.math",
         "esnext.collection",
         "esnext.date",
         "esnext.decorators",
diff --git a/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js b/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js
index b87a17312cbff..c9f6d178424b7 100644
--- a/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js	
+++ b/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with extra comma.js	
@@ -10,4 +10,4 @@ WatchOptions::
 FileNames::
 es7,0.ts
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
diff --git a/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js b/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js
index 598824639e89a..17404620d96dc 100644
--- a/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js	
+++ b/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse --lib option with trailing white-space.js	
@@ -10,4 +10,4 @@ WatchOptions::
 FileNames::
 es7,0.ts
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
diff --git a/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js b/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js
index 451a40f1e6d70..b70b0b5944ea7 100644
--- a/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js	
+++ b/tests/baselines/reference/config/commandLineParsing/parseCommandLine/Parse invalid option of library flags.js	
@@ -10,4 +10,4 @@ WatchOptions::
 FileNames::
 0.ts
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with json api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with json api.js
index 736451ea62470..ea9a918c9dfe6 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with json api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with json api.js	
@@ -30,5 +30,5 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with jsonSourceFile api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with jsonSourceFile api.js
index efdc3e007901e..4514ca035983b 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with jsonSourceFile api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs array to compiler-options with jsonSourceFile api.js	
@@ -30,7 +30,7 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-tsconfig.json:8:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+tsconfig.json:8:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
 8       ""
         ~~
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with json api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with json api.js
index e3a3ec4e0a604..5f67b27a53ea2 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with json api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with json api.js	
@@ -33,5 +33,5 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with jsonSourceFile api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with jsonSourceFile api.js
index c527cd039f5cb..70c717af2cbe0 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with jsonSourceFile api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert empty string option of libs to compiler-options with jsonSourceFile api.js	
@@ -33,7 +33,7 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-tsconfig.json:9:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+tsconfig.json:9:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
 9       ""
         ~~
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with json api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with json api.js
index 984e934a5391f..3989192c9aceb 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with json api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with json api.js	
@@ -35,5 +35,5 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with jsonSourceFile api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with jsonSourceFile api.js
index a71071fc8db67..666835da6f372 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with jsonSourceFile api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert incorrect option of libs to compiler-options with jsonSourceFile api.js	
@@ -35,7 +35,7 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-tsconfig.json:10:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+tsconfig.json:10:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
 10       "incorrectLib"
          ~~~~~~~~~~~~~~
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with json api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with json api.js
index 18f74ba74d1b0..836c49253bb8d 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with json api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with json api.js	
@@ -30,5 +30,5 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
diff --git a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with jsonSourceFile api.js b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with jsonSourceFile api.js
index 2eb47cabb2582..e00552f796f6d 100644
--- a/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with jsonSourceFile api.js	
+++ b/tests/baselines/reference/config/convertCompilerOptionsFromJson/Convert trailing-whitespace string option of libs to compiler-options with jsonSourceFile api.js	
@@ -30,7 +30,7 @@ CompilerOptions::
   "configFilePath": "/apath/tsconfig.json"
 }
 Errors::
-tsconfig.json:8:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
+tsconfig.json:8:7 - error TS6046: Argument for '--lib' option must be: 'es5', 'es6', 'es2015', 'es7', 'es2016', 'es2017', 'es2018', 'es2019', 'es2020', 'es2021', 'es2022', 'es2023', 'es2024', 'es2025', 'esnext', 'dom', 'dom.iterable', 'dom.asynciterable', 'webworker', 'webworker.importscripts', 'webworker.iterable', 'webworker.asynciterable', 'scripthost', 'es2015.core', 'es2015.collection', 'es2015.generator', 'es2015.iterable', 'es2015.promise', 'es2015.proxy', 'es2015.reflect', 'es2015.symbol', 'es2015.symbol.wellknown', 'es2016.array.include', 'es2016.intl', 'es2017.arraybuffer', 'es2017.date', 'es2017.object', 'es2017.sharedmemory', 'es2017.string', 'es2017.intl', 'es2017.typedarrays', 'es2018.asyncgenerator', 'es2018.asynciterable', 'es2018.intl', 'es2018.promise', 'es2018.regexp', 'es2019.array', 'es2019.object', 'es2019.string', 'es2019.symbol', 'es2019.intl', 'es2020.bigint', 'es2020.date', 'es2020.promise', 'es2020.sharedmemory', 'es2020.string', 'es2020.symbol.wellknown', 'es2020.intl', 'es2020.number', 'es2021.promise', 'es2021.string', 'es2021.weakref', 'es2021.intl', 'es2022.array', 'es2022.error', 'es2022.intl', 'es2022.object', 'es2022.string', 'es2022.regexp', 'es2023.array', 'es2023.collection', 'es2023.intl', 'es2024.arraybuffer', 'es2024.collection', 'es2024.object', 'es2024.promise', 'es2024.regexp', 'es2024.sharedmemory', 'es2024.string', 'es2025.collection', 'es2025.float16', 'es2025.intl', 'es2025.iterator', 'es2025.promise', 'es2025.regexp', 'esnext.asynciterable', 'esnext.symbol', 'esnext.bigint', 'esnext.weakref', 'esnext.object', 'esnext.regexp', 'esnext.string', 'esnext.float16', 'esnext.iterator', 'esnext.promise', 'esnext.array', 'esnext.math', 'esnext.collection', 'esnext.date', 'esnext.decorators', 'esnext.disposable', 'esnext.error', 'esnext.intl', 'esnext.sharedmemory', 'esnext.temporal', 'esnext.typedarrays', 'decorators', 'decorators.legacy'.
 
 8       "   "
         ~~~~~
diff --git a/tests/baselines/reference/mathSumPrecise.symbols b/tests/baselines/reference/mathSumPrecise.symbols
new file mode 100644
index 0000000000000..dc2285a7e76ae
--- /dev/null
+++ b/tests/baselines/reference/mathSumPrecise.symbols
@@ -0,0 +1,65 @@
+//// [tests/cases/conformance/esnext/mathSumPrecise.ts] ////
+
+=== mathSumPrecise.ts ===
+// Basic usage with array
+const sum1 = Math.sumPrecise([1, 2, 3]);
+>sum1 : Symbol(sum1, Decl(mathSumPrecise.ts, 1, 5))
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+
+// Floating point precision
+const sum2 = Math.sumPrecise([1e20, 0.1, -1e20]);
+>sum2 : Symbol(sum2, Decl(mathSumPrecise.ts, 4, 5))
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+
+// Empty iterable returns -0
+const sum3 = Math.sumPrecise([]);
+>sum3 : Symbol(sum3, Decl(mathSumPrecise.ts, 7, 5))
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+
+// Works with any Iterable<number>
+const sum4 = Math.sumPrecise(new Set([1, 2, 3]));
+>sum4 : Symbol(sum4, Decl(mathSumPrecise.ts, 10, 5))
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Set : Symbol(Set, Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.collection.d.ts, --, --), Decl(lib.es2015.iterable.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.collection.d.ts, --, --))
+
+function* gen(): Iterable<number> {
+>gen : Symbol(gen, Decl(mathSumPrecise.ts, 10, 49))
+>Iterable : Symbol(Iterable, Decl(lib.es2015.iterable.d.ts, --, --))
+
+    yield 0.1;
+    yield 0.2;
+}
+const sum5 = Math.sumPrecise(gen());
+>sum5 : Symbol(sum5, Decl(mathSumPrecise.ts, 16, 5))
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>gen : Symbol(gen, Decl(mathSumPrecise.ts, 10, 49))
+
+// Return type is number
+const result: number = Math.sumPrecise([1, 2, 3]);
+>result : Symbol(result, Decl(mathSumPrecise.ts, 19, 5))
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+
+// @ts-expect-error - BigInt is not a number
+Math.sumPrecise([1n, 2n]);
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+
+// @ts-expect-error - string is not a number
+Math.sumPrecise(["a", "b"]);
+>Math.sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+>Math : Symbol(Math, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --), Decl(lib.es2015.core.d.ts, --, --), Decl(lib.es2015.symbol.wellknown.d.ts, --, --), Decl(lib.es2025.float16.d.ts, --, --) ... and 1 more)
+>sumPrecise : Symbol(Math.sumPrecise, Decl(lib.esnext.math.d.ts, --, --))
+
diff --git a/tests/baselines/reference/mathSumPrecise.types b/tests/baselines/reference/mathSumPrecise.types
new file mode 100644
index 0000000000000..b3a700155c76c
--- /dev/null
+++ b/tests/baselines/reference/mathSumPrecise.types
@@ -0,0 +1,172 @@
+//// [tests/cases/conformance/esnext/mathSumPrecise.ts] ////
+
+=== mathSumPrecise.ts ===
+// Basic usage with array
+const sum1 = Math.sumPrecise([1, 2, 3]);
+>sum1 : number
+>     : ^^^^^^
+>Math.sumPrecise([1, 2, 3]) : number
+>                           : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>[1, 2, 3] : number[]
+>          : ^^^^^^^^
+>1 : 1
+>  : ^
+>2 : 2
+>  : ^
+>3 : 3
+>  : ^
+
+// Floating point precision
+const sum2 = Math.sumPrecise([1e20, 0.1, -1e20]);
+>sum2 : number
+>     : ^^^^^^
+>Math.sumPrecise([1e20, 0.1, -1e20]) : number
+>                                    : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>[1e20, 0.1, -1e20] : number[]
+>                   : ^^^^^^^^
+>1e20 : 100000000000000000000
+>     : ^^^^^^^^^^^^^^^^^^^^^
+>0.1 : 0.1
+>    : ^^^
+>-1e20 : -100000000000000000000
+>      : ^^^^^^^^^^^^^^^^^^^^^^
+>1e20 : 100000000000000000000
+>     : ^^^^^^^^^^^^^^^^^^^^^
+
+// Empty iterable returns -0
+const sum3 = Math.sumPrecise([]);
+>sum3 : number
+>     : ^^^^^^
+>Math.sumPrecise([]) : number
+>                    : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>[] : never[]
+>   : ^^^^^^^
+
+// Works with any Iterable<number>
+const sum4 = Math.sumPrecise(new Set([1, 2, 3]));
+>sum4 : number
+>     : ^^^^^^
+>Math.sumPrecise(new Set([1, 2, 3])) : number
+>                                    : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>new Set([1, 2, 3]) : Set<number>
+>                   : ^^^^^^^^^^^
+>Set : SetConstructor
+>    : ^^^^^^^^^^^^^^
+>[1, 2, 3] : number[]
+>          : ^^^^^^^^
+>1 : 1
+>  : ^
+>2 : 2
+>  : ^
+>3 : 3
+>  : ^
+
+function* gen(): Iterable<number> {
+>gen : () => Iterable<number>
+>    : ^^^^^^                
+
+    yield 0.1;
+>yield 0.1 : any
+>0.1 : 0.1
+>    : ^^^
+
+    yield 0.2;
+>yield 0.2 : any
+>0.2 : 0.2
+>    : ^^^
+}
+const sum5 = Math.sumPrecise(gen());
+>sum5 : number
+>     : ^^^^^^
+>Math.sumPrecise(gen()) : number
+>                       : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>gen() : Iterable<number>
+>      : ^^^^^^^^^^^^^^^^
+>gen : () => Iterable<number>
+>    : ^^^^^^                
+
+// Return type is number
+const result: number = Math.sumPrecise([1, 2, 3]);
+>result : number
+>       : ^^^^^^
+>Math.sumPrecise([1, 2, 3]) : number
+>                           : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>[1, 2, 3] : number[]
+>          : ^^^^^^^^
+>1 : 1
+>  : ^
+>2 : 2
+>  : ^
+>3 : 3
+>  : ^
+
+// @ts-expect-error - BigInt is not a number
+Math.sumPrecise([1n, 2n]);
+>Math.sumPrecise([1n, 2n]) : number
+>                          : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>[1n, 2n] : bigint[]
+>         : ^^^^^^^^
+>1n : 1n
+>   : ^^
+>2n : 2n
+>   : ^^
+
+// @ts-expect-error - string is not a number
+Math.sumPrecise(["a", "b"]);
+>Math.sumPrecise(["a", "b"]) : number
+>                            : ^^^^^^
+>Math.sumPrecise : (numbers: Iterable<number>) => number
+>                : ^       ^^                ^^^^^      
+>Math : Math
+>     : ^^^^
+>sumPrecise : (numbers: Iterable<number>) => number
+>           : ^       ^^                ^^^^^      
+>["a", "b"] : string[]
+>           : ^^^^^^^^
+>"a" : "a"
+>    : ^^^
+>"b" : "b"
+>    : ^^^
+
diff --git a/tests/cases/conformance/esnext/mathSumPrecise.ts b/tests/cases/conformance/esnext/mathSumPrecise.ts
new file mode 100644
index 0000000000000..1984c89d85f8a
--- /dev/null
+++ b/tests/cases/conformance/esnext/mathSumPrecise.ts
@@ -0,0 +1,31 @@
+// @target: esnext
+// @lib: esnext
+// @noemit: true
+// @strict: true
+
+// Basic usage with array
+const sum1 = Math.sumPrecise([1, 2, 3]);
+
+// Floating point precision
+const sum2 = Math.sumPrecise([1e20, 0.1, -1e20]);
+
+// Empty iterable returns -0
+const sum3 = Math.sumPrecise([]);
+
+// Works with any Iterable<number>
+const sum4 = Math.sumPrecise(new Set([1, 2, 3]));
+
+function* gen(): Iterable<number> {
+    yield 0.1;
+    yield 0.2;
+}
+const sum5 = Math.sumPrecise(gen());
+
+// Return type is number
+const result: number = Math.sumPrecise([1, 2, 3]);
+
+// @ts-expect-error - BigInt is not a number
+Math.sumPrecise([1n, 2n]);
+
+// @ts-expect-error - string is not a number
+Math.sumPrecise(["a", "b"]);