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fatal error making less C for C++20. #574

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merged 1 commit into from
Dec 9, 2022

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devnexen
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@devnexen devnexen commented Dec 4, 2022

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@mjp41 mjp41 left a comment

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Nice. This looks great.

@mjp41 mjp41 merged commit dd3f4a9 into microsoft:main Dec 9, 2022
@davidchisnall
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The version check added in this PR is incorrect and is causing breakage with clang 15. The source_location header is not present until 16.

It's also incredibly fragile to assume that compiler version implies C++ standard library version. C++ has a standard mechanism for checking these features. We should do:

#ifdef __cpp_lib_source_location

We might also want to check that __cpp_lib_source_location >= 201907L, but we can probably work with an older pre-standard version for this limited use.

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3 participants