After processing named unions do not fall through to handle anonymous unions.

This is tested by funcargs.exp in gdb testsuite.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@117659 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGDebugInfo.cpp

@@ -1839,6 +1839,7 @@ void CGDebugInfo::EmitDeclare(const VarDecl *VD, unsigned Tag,
       DebugFactory.InsertDeclare(Storage, D, Builder.GetInsertBlock());
     
     Call->setDebugLoc(llvm::DebugLoc::get(Line, Column, Scope));
+    return;
   }
   
   // If VD is an anonymous union then Storage represents value for