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@hjyamauchi hjyamauchi commented Dec 21, 2025

This is to keep clang module cache hashes consistent throughout the
build and avoid inconsistent hash errors due to the CodeGenOpts
changing at the IRGen phase in the middle of a build.

#86116

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@swift-ci please test with following PR: swiftlang/llvm-project#12037

This is to keep clang module cache hashes consistent throughout the
build and avoid inconsistent hash errors due to the CodeGenOpts
changing at the IRGen phase in the middle of a build.

swiftlang#86116
@hjyamauchi hjyamauchi changed the title Modulecachehash Set up the AST-affecting ClangImporter CodeGenOpts options early Dec 22, 2025
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