[ClangImporter] Swift needs to pass `-Xclang -fbuiltin-headers-in-system-modules` for its module maps that group cstd headers#69707

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ian-twilightcoder merged 1 commit intoswiftlang:mainfrom

ian-twilightcoder:builtin-flag

Dec 12, 2023

Commits on Dec 9, 2023

[ClangImporter] Swift needs to pass `-Xclang -fbuiltin-headers-in-system-modules` for its module maps that group cstd headers
ian-twilightcoder
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