Another vtable layout fix, making us match gcc better.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99812 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/vtable-layout.cpp b/test/CodeGenCXX/vtable-layout.cpp
index 335816e..3a0dae4 100644
--- a/test/CodeGenCXX/vtable-layout.cpp
+++ b/test/CodeGenCXX/vtable-layout.cpp
@@ -1273,3 +1273,33 @@
void E::e() { }
}
+
+namespace Test29 {
+
+// Test that the covariant return thunk for B::f will have a virtual 'this' adjustment,
+// matching gcc.
+
+struct V1 { };
+struct V2 : virtual V1 { };
+
+struct A {
+ virtual V1 *f();
+};
+
+// CHECK: Vtable for 'Test29::B' (6 entries).
+// CHECK-NEXT: 0 | vbase_offset (0)
+// CHECK-NEXT: 1 | vcall_offset (0)
+// CHECK-NEXT: 2 | offset_to_top (0)
+// CHECK-NEXT: 3 | Test29::B RTTI
+// CHECK-NEXT: -- (Test29::A, 0) vtable address --
+// CHECK-NEXT: -- (Test29::B, 0) vtable address --
+// CHECK-NEXT: 4 | Test29::V2 *Test29::B::f()
+// CHECK-NEXT: [return adjustment: 0 non-virtual, -24 vbase offset offset]
+// CHECK-NEXT: [this adjustment: 0 non-virtual, -24 vcall offset offset]
+// CHECK-NEXT: 5 | Test29::V2 *Test29::B::f()
+struct B : virtual A {
+ virtual V2 *f();
+};
+V2 *B::f() { return 0; }
+
+}