[clang] [Clang] skip shadow warnings for enum constants in distinct class scopes (PR #115656)

[Mariya Podchishchaeva via cfe-commits]

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@@ -8341,6 +8341,11 @@ void Sema::CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl,
     // shadowing context, but that's just a false negative.
   }
 
+  // Skip shadowing check if we're in a class scope, dealing with an enum
+  // constant in a different context.
+  if (S->isClassScope() && isa<EnumConstantDecl>(D) &&
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Fznamznon wrote:

Can we simply check that `NewDC->isRecord()` here instead of using a new `Scope` parameter?

https://github.com/llvm/llvm-project/pull/115656