[clang] [Clang] Do not emit 'wchar' module flag for OpenCL (PR #174454)

[Matt Arsenault via cfe-commits]

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@@ -1164,7 +1164,8 @@ void CodeGenModule::Release() {
   // TargetLibraryInfo.
   uint64_t WCharWidth =
       Context.getTypeSizeInChars(Context.getWideCharType()).getQuantity();
-  getModule().addModuleFlag(llvm::Module::Error, "wchar_size", WCharWidth);
+  if (!LangOpts.OpenCL)
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arsenm wrote:

Isn't this only relevant if some flag was set? I would hope TargetLibraryInfo knows the real size from the triple and this flag would only be needed in abnormal cases 

https://github.com/llvm/llvm-project/pull/174454