Make module std; and module std.compat; work with Clang#5982
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cpplearner wants to merge 3 commits intomicrosoft:mainfrom
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Make module std; and module std.compat; work with Clang#5982cpplearner wants to merge 3 commits intomicrosoft:mainfrom
module std; and module std.compat; work with Clang#5982cpplearner wants to merge 3 commits intomicrosoft:mainfrom
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This adds Clang diagnostic suppressions as requested in #5975, and makes the module-related tests work with
clang-cl.Thanks to LLVM-98761 and LLVM-89772,
clang-clunderstands the Clang-style options needed to produce and consume Built Module Interfaces (BMIs). This is good enough for our test purposes.I need to guard a line that calls
source_location::column, because Clang and MSVC produce different values. This isn't specific to modules. The difference can also be found in theP1208R6_source_locationtest.I also need to workaround a bug, where clang thinks the declaration of
_allocain<malloc.h>has conflicting ownership. This looks similar to LLVM-37969, though the trigger is different. I've added a repro to that issue. Note that the bug only affects ARM64/ARM64EC, because<intrin.h>is included in the global module fragment, which includes<malloc.h>on x64/x86.Fixes #5975