Fix calculation of whether a member function needs a thunk in construction vtables.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98191 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/vtable-layout.cpp b/test/CodeGenCXX/vtable-layout.cpp
index 2e08df9..92544a6 100644
--- a/test/CodeGenCXX/vtable-layout.cpp
+++ b/test/CodeGenCXX/vtable-layout.cpp
@@ -698,6 +698,65 @@
 // CHECK-NEXT:   22 | void Test18::D::f()
 // CHECK-NEXT:        [this adjustment: -8 non-virtual, -32 vcall offset offset]
 // CHECK-NEXT:   23 | [unused] void Test18::C::g()
+
+// CHECK:      Construction vtable for ('Test18::B', 0) in 'Test18::D' (7 entries).
+// CHECK-NEXT:    0 | vbase_offset (0)
+// CHECK-NEXT:    1 | vcall_offset (0)
+// CHECK-NEXT:    2 | vcall_offset (0)
+// CHECK-NEXT:    3 | offset_to_top (0)
+// CHECK-NEXT:    4 | Test18::B RTTI
+// CHECK-NEXT:        -- (Test18::A, 0) vtable address --
+// CHECK-NEXT:        -- (Test18::B, 0) vtable address --
+// CHECK-NEXT:    5 | void Test18::B::f()
+// CHECK-NEXT:    6 | void Test18::A::g()
+
+// CHECK:      Construction vtable for ('Test18::C', 8) in 'Test18::D' (20 entries).
+// CHECK-NEXT:    0 | vcall_offset (0)
+// CHECK-NEXT:    1 | vcall_offset (0)
+// CHECK-NEXT:    2 | vbase_offset (-8)
+// CHECK-NEXT:    3 | offset_to_top (0)
+// CHECK-NEXT:    4 | Test18::C RTTI
+// CHECK-NEXT:        -- (Test18::A, 8) vtable address --
+// CHECK-NEXT:        -- (Test18::C, 8) vtable address --
+// CHECK-NEXT:    5 | void Test18::A::f()
+// CHECK-NEXT:    6 | void Test18::C::g()
+// CHECK-NEXT:    7 | vbase_offset (-16)
+// CHECK-NEXT:    8 | vcall_offset (-8)
+// CHECK-NEXT:    9 | vcall_offset (0)
+// CHECK-NEXT:   10 | offset_to_top (-8)
+// CHECK-NEXT:   11 | Test18::C RTTI
+// CHECK-NEXT:        -- (Test18::A, 16) vtable address --
+// CHECK-NEXT:        -- (Test18::B, 16) vtable address --
+// CHECK-NEXT:   12 | void Test18::B::f()
+// CHECK-NEXT:   13 | [unused] void Test18::C::g()
+// CHECK-NEXT:   14 | vcall_offset (8)
+// CHECK-NEXT:   15 | vcall_offset (16)
+// CHECK-NEXT:   16 | offset_to_top (8)
+// CHECK-NEXT:   17 | Test18::C RTTI
+// CHECK-NEXT:        -- (Test18::A, 0) vtable address --
+// CHECK-NEXT:   18 | void Test18::B::f()
+// CHECK-NEXT:        [this adjustment: 0 non-virtual, -24 vcall offset offset]
+// CHECK-NEXT:   19 | void Test18::C::g()
+// CHECK-NEXT:        [this adjustment: 0 non-virtual, -32 vcall offset offset]
+
+// CHECK:      Construction vtable for ('Test18::B', 16) in 'Test18::D' (13 entries).
+// CHECK-NEXT:    0 | vbase_offset (-16)
+// CHECK-NEXT:    1 | vcall_offset (-16)
+// CHECK-NEXT:    2 | vcall_offset (0)
+// CHECK-NEXT:    3 | offset_to_top (0)
+// CHECK-NEXT:    4 | Test18::B RTTI
+// CHECK-NEXT:        -- (Test18::A, 16) vtable address --
+// CHECK-NEXT:        -- (Test18::B, 16) vtable address --
+// CHECK-NEXT:    5 | void Test18::B::f()
+// CHECK-NEXT:    6 | [unused] void Test18::A::g()
+// CHECK-NEXT:    7 | vcall_offset (0)
+// CHECK-NEXT:    8 | vcall_offset (16)
+// CHECK-NEXT:    9 | offset_to_top (16)
+// CHECK-NEXT:   10 | Test18::B RTTI
+// CHECK-NEXT:        -- (Test18::A, 0) vtable address --
+// CHECK-NEXT:   11 | void Test18::B::f()
+// CHECK-NEXT:        [this adjustment: 0 non-virtual, -24 vcall offset offset]
+// CHECK-NEXT:   12 | void Test18::A::g()
 struct D : virtual B, virtual C, virtual A 
 {
   virtual void f();