[PATCH] Add module flags metadata to record the settings for enum and wchar width

[Renato Golin]

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Comment at: lib/CodeGen/CodeGenModule.cpp:364
@@ +363,3 @@
+  // The minimum width of an enum in bytes
+  uint64_t EnumWidth = Context.getLangOpts().ShortEnums ? 1 : 4;;
+  getModule().addModuleFlag(llvm::Module::Error, "min_enum_size", EnumWidth);
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two semi-colons

http://reviews.llvm.org/D4212