[ms-cxxabi] Move CodeGenVTables::needsVTTParameter to ItaniumCXXABI.

This function only makes sense there.  Eventually it should no longer
be part of the CGCXXABI interface, as it is an Itanium-specific detail.

Differential Revision: http://llvm-reviews.chandlerc.com/D821

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@185213 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 11 insertions, 0 deletions

diff --git a/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp b/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp
new file mode 100644
index 0000000000..7e631c1d78
--- /dev/null
+++ b/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp
@@ -0,0 +1,11 @@
+// RUN: %clang_cc1 %s -fno-rtti -cxx-abi microsoft -triple=i386-pc-win32 -emit-llvm -o %t
+
+struct A {};
+struct B : virtual A {
+  virtual ~B();
+};
+struct C : B {
+  C();
+};
+
+C::C() {}