Delay codegen of vtables when handling implicit instantiations.

This fixes PR6474.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@98123 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/virtual-base-destructor-call.cpp b/test/CodeGenCXX/virtual-base-destructor-call.cpp
index b6e85e2..7de9dd2 100644
--- a/test/CodeGenCXX/virtual-base-destructor-call.cpp
+++ b/test/CodeGenCXX/virtual-base-destructor-call.cpp
@@ -22,6 +22,11 @@
 //  CHECK: call void @_ZN14basic_iostreamIcED2Ev
 //  CHECK: call void @_ZN9basic_iosD2Ev
 
+// basic_iostream's base dtor calls its non-virtual base dtor.
+//  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED2Ev
+//  CHECK: call void @_ZN13basic_istreamIcED2Ev
+//  CHECK: }
+
 // basic_iostream's deleting dtor calls its complete dtor, then
 // operator delete().
 //  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED0Ev
@@ -40,11 +45,6 @@
 //  CHECK: call void @_ZN13basic_istreamIcED1Ev
 //  CHECK: call void @_ZdlPv
 
-// basic_iostream's base dtor calls its non-virtual base dtor.
-//  CHECK: define linkonce_odr void @_ZN14basic_iostreamIcED2Ev
-//  CHECK: call void @_ZN13basic_istreamIcED2Ev
-//  CHECK: }
-
 // basic_istream's base dtor is a no-op.
 //  CHECK: define linkonce_odr void @_ZN13basic_istreamIcED2Ev
 //  CHECK-NOT: call