Make emitting a VTT a two-step process, much like emitting a VTable. You first get the address of the VTT, and then pass it to EmitVTTDefinition.

llvm-svn: 124539
diff --git a/clang/test/CodeGenCXX/mangle-subst-std.cpp b/clang/test/CodeGenCXX/mangle-subst-std.cpp
index 2b570ed..8d79988 100644
--- a/clang/test/CodeGenCXX/mangle-subst-std.cpp
+++ b/clang/test/CodeGenCXX/mangle-subst-std.cpp
@@ -3,14 +3,14 @@
 // Check mangling of Vtables, VTTs, and construction vtables that
 // involve standard substitutions.
 
+// CHECK: @_ZTTSd = linkonce_odr unnamed_addr constant
 // CHECK: @_ZTVSd = linkonce_odr unnamed_addr constant 
 // CHECK: @_ZTCSd0_Si = internal constant 
 // CHECK: @_ZTCSd16_So = internal constant
-// CHECK: @_ZTTSd = linkonce_odr unnamed_addr constant
-// CHECK: @_ZTVSo = linkonce_odr unnamed_addr constant
 // CHECK: @_ZTTSo = linkonce_odr unnamed_addr constant
-// CHECK: @_ZTVSi = linkonce_odr unnamed_addr constant
+// CHECK: @_ZTVSo = linkonce_odr unnamed_addr constant
 // CHECK: @_ZTTSi = linkonce_odr unnamed_addr constant
+// CHECK: @_ZTVSi = linkonce_odr unnamed_addr constant
 namespace std {
   struct A { A(); };