Extend interface extends coverage to 3-target extends clauses#269
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Adds a cross-module test pair for `interface Combined extends A, B, C` to stress the vtable-offset accumulation and extends-dedup guard from PR #268 (which only had 2-target diamond coverage) at N=3. Verified via live debug trace that the fix generalizes correctly; full extends-interface test family (12 tests) passes. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Summary
export/import_object_literal_structural_typed_extends_interface_triple.ts) forinterface Combined extends A, B, C— a 3-targetextendsclause.getAllMethodsWithVTableOffset) and extends-dedup guard fixed in Fix cross-module diamond-extends interface silently corrupting data #268, which only had 2-target diamond (extends A, B) coverage. Confirms the fix generalizes to N targets, not just 2.test-compile-shared-...-extends-interface-tripleandtest-jit-shared-...-extends-interface-tripleintest/tester/CMakeLists.txt.Test plan
ctest -R "extends-interface"— full 12-test family passes 100% (includes the 2 new triple tests alongside existing single/multilevel/diamond variants)🤖 Generated with Claude Code