[PATCH] D126559: [MSVC] Fix pragma alloc_text failing for C files

[Aaron Ballman via Phabricator via cfe-commits]

aaron.ballman added a comment.

In D126559#3547921 <https://reviews.llvm.org/D126559#3547921>, @steplong wrote:

> It looks like MSVC also accepts
>
>   // foo.c
>   static void foo();
>   #pragma alloc_text("hello", foo)
>   void foo() {}
>
> and
>
>   // foo.cpp
>   extern "C" {
>   static void foo();
>   #pragma alloc_text("hello", foo)
>   void foo() {}
>   }
>
> Do you know of a way I can check whether a function is coming from c or c++? `isExternC()` returns false for the static case

You can look at `!LangOpts.CPlusPlus` to know that you're in C mode (or C++ mode)


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https://reviews.llvm.org/D126559