utils: Add llvm-symbolizer to install_components_with_clang presets #81966
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llvm-symbolizer is critical to ASAN/LSAN properly reading and applying allowlists and suppressions. Without properly symbolized backtraces, the tools cannot match stack traces to suppression lists, leading to false negatives in leak detection and other issues. Ensure that it's installed in the toolchain presets.
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@swift-ci please smoke test |
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@swift-ci please smoke test macOS platform |
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FTR, Windows already ships |
shahmishal
approved these changes
Jun 4, 2025
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llvm-symbolizer is critical to ASAN/LSAN properly reading and applying allowlists and suppressions. Without properly symbolized backtraces, the tools cannot match stack traces to suppression lists, leading to false negatives in leak detection and other issues.
Ensure that it's installed in the toolchain presets.
ref: swiftlang/swiftly#368
cc @FranzBusch