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Version 5 adds Branch Regions which are a prerequisite for branch coverage. Version 6 can use the zeroth filename as prefix for other relative files.
This commit augments Swatinem's initial commit in uncommitted PR rust-lang#90047, which was a great starting point, but did not fully support LLVM Coverage Mapping Format version 6. Version 6 requires adding the compilation directory when file paths are relative, and since Rustc coverage maps use relative paths, we should add the expected compilation directory entry. Note, however, that with the compilation directory, coverage reports from `llvm-cov show` can now report file names (when the report includes more than one file) with the full absolute path to the file. This would be a problem for test results, but the workaround (for the rust coverage tests) is to include an additional `llvm-cov show` parameter: `--compilation-dir=.`
`Resolver::next_node_id` converts a `u32` to a `usize` (which is possibly bigger), does a checked add, and then converts the result back to a `u32`. The `usize` conversion completely subverts the checked add! This commit removes the conversion to/from `usize`.
When recovering from a `:` in a pattern, use adequate AST pattern If the suggestion to use `::` instead of `:` in the pattern isn't correct, a second resolution error will be emitted.
Use `get_diagnostic_name` more
…kh726 Remove all migrate.nll.stderr files There are a few ui tests that setup the revisions like: ```rust // revisions: migrate nll` // [nll]compile-flags: -Zborrowck=mir ``` However most of them fail to disable the nll compare mode like this: ```rust // ignore-compare-mode-nll ``` This ends up generating confusing files ending in `.migrate.nll.stderr` because the nll compare mode is run on top of the migrate revision. This PR fixes this by adding `ignore-compare-mode-nll` to these tests. I would have just made these tests use compare modes instead but I assume the reason these tests are messing around with revisions instead of just letting the nll compare mode do its thing is to enforce error annotations for both migrate and nll. Relying on just compare modes would only have the error annotations for migrate.
… r=tmandry Add support for LLVM coverage mapping format versions 5 and 6 This PR cherry-pick's Swatinem's initial commit in unsubmitted PR rust-lang#90047. My additional commit augments Swatinem's great starting point, but adds full support for LLVM Coverage Mapping Format version 6, conditionally, if compiling with LLVM 13. Version 6 requires adding the compilation directory when file paths are relative, and since Rustc coverage maps use relative paths, we should add the expected compilation directory entry. Note, however, that with the compilation directory, coverage reports from `llvm-cov show` can now report file names (when the report includes more than one file) with the full absolute path to the file. This would be a problem for test results, but the workaround (for the rust coverage tests) is to include an additional `llvm-cov show` parameter: `--compilation-dir=.`
…l, r=cjgillot Improve error message for `E0659` if the source is not available Fixes rust-lang#91028. The fix is similar to those in rust-lang#89233 and rust-lang#87088. With this change, instead of the dangling ``` note: `Option` could also refer to the enum defined here ``` I get ``` note: `Option` could also refer to an enum from prelude ``` If the standard library source code _is_ available, the output does not change.
Add `Option::inspect` and `Result::{inspect, inspect_err}`
```rust
// core::result
impl Result<T, E> {
pub fn inspect<F: FnOnce(&T)>(self, f: F) -> Self;
pub fn inspect_err<F: FnOnce(&E)>(self, f: F) -> Self;
}
// core::option
impl Option<T> {
pub fn inspect<F: FnOnce(&T)>(self, f: F) -> Self;
}
```
…ecking, r=dtolnay Fix bad `NodeId` limit checking. `Resolver::next_node_id` converts a `u32` to a `usize` (which is possibly bigger), does a checked add, and then converts the result back to a `u32`. The `usize` conversion completely subverts the checked add! This commit removes the conversion to/from `usize`.
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@bors r+ rollup=never p=7 |
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📌 Commit 4f252f1 has been approved by |
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☀️ Test successful - checks-actions |
This was referenced Dec 1, 2021
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Finished benchmarking commit (26b4557): comparison url. Summary: This benchmark run did not return any relevant changes. If you disagree with this performance assessment, please file an issue in rust-lang/rustc-perf. @rustbot label: -perf-regression |
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Successful merges:
:in a pattern, use adequate AST pattern #87160 (When recovering from a:in a pattern, use adequate AST pattern)get_diagnostic_namemore #90985 (Useget_diagnostic_namemore)E0659if the source is not available #91298 (Improve error message forE0659if the source is not available)Option::inspectandResult::{inspect, inspect_err}#91346 (AddOption::inspectandResult::{inspect, inspect_err})NodeIdlimit checking. #91404 (Fix badNodeIdlimit checking.)Failed merges:
r? @ghost
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