[Caching] Adopt -finclude-tree-preserve-pch-path to fix -gmodules with #73014
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This fixes -gmodules when caching by adopting the new clang -cc1 option -finclude-tree-preserve-pch-path. -gmodules is required to make debugging work when examining types that come from clang modules or bridging headers, but was previously being disabled by clang's caching support. rdar://126370706
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swiftlang/llvm-project#8570 |
artemcm
approved these changes
Apr 12, 2024
cachemeifyoucan
approved these changes
Apr 12, 2024
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This fixes -gmodules when caching by adopting the new clang -cc1 option -finclude-tree-preserve-pch-path. -gmodules is required to make debugging work when examining types that come from clang modules or bridging headers, but was previously being disabled by clang's caching support.
rdar://126370706
Requires swiftlang/llvm-project#8570