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@ddcc ddcc commented Aug 5, 2022

While debugging module support using -Wsystem-headers, we discovered that if
-Werror, and -Wundef or -Wmacro-redefined are specified, they can cause errors
to be generated in these builtin headers.

Differential Revision: https://reviews.llvm.org/D130800
rdar://98148185

@ddcc ddcc requested a review from ian-twilightcoder August 5, 2022 20:36
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ddcc commented Aug 5, 2022

@swift-ci test

@ddcc ddcc changed the title Merge commit 'bbf19005714b' from llvm.org/main into next [clang][Headers] Avoid compiler warnings in builtin headers Aug 5, 2022
@ddcc ddcc force-pushed the ddchen_fix_clang_headers branch from f910d5e to 79e586c Compare August 5, 2022 21:39
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ddcc commented Aug 5, 2022

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@ddcc ddcc merged commit 86d0ea6 into swiftlang:stable/20220421 Aug 8, 2022
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2 participants