[llvm-dev] C++17 and clang-cl leads to error with wmemchr

[Reid Kleckner via llvm-dev]

I read through the issue again, and I think this isn't as bad as I thought
it was last year. I responded on the bug (
https://bugs.llvm.org/show_bug.cgi?id=41226#c16). I think the solution is
going to be to call MarkFunctionReferenced (ODR use) for all the builtins
that MSVC doesn't provide out of line definitions for.

On Mon, Oct 19, 2020 at 9:55 AM Tobias Hieta via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hello.
>
> We are trying to adopt clang-cl on windows and migrate to C++17, but that
> configuration leads to the error described in this bug:
> https://bugs.llvm.org/show_bug.cgi?id=41226
>
> Does anyone know what can be done to fix this? Either in LLVM or in my
> code. I am happy to try to provide a patch but I don't exactly understand
> what's going wrong.
>
> Thanks,
> Tobias.
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