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

[Joseph Huber 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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jhuber6 wrote:

More or less, it would probably make sense to default to the Triple's definition and emit this if someone overrode if the value in clang differs from what the Triple returns.

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