r199190 - Sema: Predefine size_t in MSVC Compatibility mode

[Reid Kleckner]

Thanks!


On Mon, Jan 13, 2014 at 10:19 PM, David Majnemer
<david.majnemer at gmail.com>wrote:

> Author: majnemer
> Date: Tue Jan 14 00:19:35 2014
> New Revision: 199190
>
> URL: http://llvm.org/viewvc/llvm-project?rev=199190&view=rev
> Log:
> Sema: Predefine size_t in MSVC Compatibility mode
>
> MSVC defines size_t without any explicit declarations.  This change
> allows us to be compatible with TUs that depend on this declaration
> appearing from nowhere.
>
> Modified:
>     cfe/trunk/lib/Sema/Sema.cpp
>     cfe/trunk/test/SemaCXX/MicrosoftCompatibility.cpp
>
> Modified: cfe/trunk/lib/Sema/Sema.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/Sema.cpp?rev=199190&r1=199189&r2=199190&view=diff
>
> ==============================================================================
> --- cfe/trunk/lib/Sema/Sema.cpp (original)
> +++ cfe/trunk/lib/Sema/Sema.cpp Tue Jan 14 00:19:35 2014
> @@ -182,6 +182,8 @@ void Sema::Initialize() {
>      if (IdResolver.begin(&Context.Idents.get("type_info")) ==
> IdResolver.end())
>        PushOnScopeChains(Context.buildImplicitRecord("type_info",
> TTK_Class),
>                          TUScope);
> +
> +    addImplicitTypedef("size_t", Context.getSizeType());
>    }
>
>    // Initialize predefined OpenCL types.
>
> Modified: cfe/trunk/test/SemaCXX/MicrosoftCompatibility.cpp
> URL:
> http://llvm.org/viewvc/llvm-project/cfe/trunk/test/SemaCXX/MicrosoftCompatibility.cpp?rev=199190&r1=199189&r2=199190&view=diff
>
> ==============================================================================
> --- cfe/trunk/test/SemaCXX/MicrosoftCompatibility.cpp (original)
> +++ cfe/trunk/test/SemaCXX/MicrosoftCompatibility.cpp Tue Jan 14 00:19:35
> 2014
> @@ -24,6 +24,7 @@ void test()
>  namespace ms_predefined_types {
>    // ::type_info is a built-in forward class declaration.
>    void f(const type_info &a);
> +  void f(size_t);
>  }
>
>
>
>
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