Fix another regression from the "skip vtable pointer initialization"
optimization. Make sure to require a vtable when trying to get the address
of a VTT, otherwise we would never end up emitting the VTT.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@131400 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/virtual-base-destructor-call.cpp b/test/CodeGenCXX/virtual-base-destructor-call.cpp
index 807eaff..f028e4c 100644
--- a/test/CodeGenCXX/virtual-base-destructor-call.cpp
+++ b/test/CodeGenCXX/virtual-base-destructor-call.cpp
@@ -27,11 +27,6 @@
 //  CHECK: call void @_ZN13basic_istreamIcED2Ev
 //  CHECK: }
 
-// basic_istream's base dtor is a no-op.
-//  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED2Ev(%struct.basic_istream* %this, i8** %vtt) unnamed_addr
-//  CHECK-NOT: call
-//  CHECK: }
-
 // basic_iostream's deleting dtor calls its complete dtor, then
 // operator delete().
 //  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED0Ev(%struct.basic_iostream* %this) unnamed_addr
@@ -49,3 +44,8 @@
 //  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED0Ev(%struct.basic_istream* %this) unnamed_addr
 //  CHECK: call void @_ZN13basic_istreamIcED1Ev
 //  CHECK: call void @_ZdlPv
+
+// basic_istream's base dtor is a no-op.
+//  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED2Ev(%struct.basic_istream* %this, i8** %vtt) unnamed_addr
+//  CHECK-NOT: call
+//  CHECK: }