Make sure to call AddOverriddenMethods for implicit copy assignment operators;

it's rare, but possible, for the difference to be significant.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90301 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Sema/SemaDeclCXX.cpp

@@ -2149,6 +2149,7 @@ void Sema::AddImplicitlyDeclaredMembersToClass(CXXRecordDecl *ClassDecl) {
     // Don't call addedAssignmentOperator. There is no way to distinguish an
     // implicit from an explicit assignment operator.
     ClassDecl->addDecl(CopyAssignment);
+    AddOverriddenMethods(ClassDecl, CopyAssignment);
   }
 
   if (!ClassDecl->hasUserDeclaredDestructor()) {

test/CodeGenCXX/virtual-implicit-copy-assignment.cpp

@@ -0,0 +1,10 @@
+// RUN: clang-cc -emit-llvm -o - %s | FileCheck %s
+
+struct D;
+struct B {
+ virtual D& operator = (const D&);
+};
+struct D : B { D(); virtual void a(); };
+void D::a() {}
+
+// CHECK: @_ZTV1D = {{.*}} @_ZN1DaSERKS_