Don't issue a warning if the shadowing declaration is in a class

Follow-up to r299363 "Enhance -Wshadow to warn when shadowing typedefs or type
aliases".

Patch by Ahmed Asadi.

Differential Revision: https://reviews.llvm.org/D31235

llvm-svn: 299522

1 files changed, 4 insertions, 0 deletions

diff --git a/clang/lib/Sema/SemaDecl.cpp b/clang/lib/Sema/SemaDecl.cpp
index 7659fba14a3..c0a10158405 100644
--- a/clang/lib/Sema/SemaDecl.cpp
+++ b/clang/lib/Sema/SemaDecl.cpp
@@ -6744,6 +6744,10 @@ NamedDecl *Sema::getShadowedDeclaration(const VarDecl *D,
 /// if it doesn't shadow any declaration or shadowing warnings are disabled.
 NamedDecl *Sema::getShadowedDeclaration(const TypedefNameDecl *D,
                                         const LookupResult &R) {
+  // Don't warn if typedef declaration is part of a class
+  if (D->getDeclContext()->isRecord())
+    return nullptr;
+  
   if (!shouldWarnIfShadowedDecl(Diags, R))
     return nullptr;