[clang] [clang][Sema] Fix false-positive -Wshadow for friend functions (PR #221249)

[ahmed mohamed kamel via cfe-commits]

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@@ -8627,12 +8627,12 @@ void Sema::CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl,
   DeclContext *NewDC = D->getDeclContext();
 
   if (FieldDecl *FD = dyn_cast<FieldDecl>(ShadowedDecl)) {
-    if (const auto *MD =
-            dyn_cast<CXXMethodDecl>(getFunctionLevelDeclContext())) {
-      // Fields aren't shadowed in C++ static members or in member functions
-      // with an explicit object parameter.
+    DeclContext *FnDC = getFunctionLevelDeclContext();
+    if (const auto *MD = dyn_cast<CXXMethodDecl>(FnDC)) {
       if (MD->isStatic() || MD->isExplicitObjectMemberFunction())
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AhmedKamel10 wrote:

Restored the original comment.

https://github.com/llvm/llvm-project/pull/221249