[PATCH] MS ABI: Downgrade inheritance model mismatches to a warning sometimes

[Reid Kleckner]

lgtm

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Comment at: test/SemaCXX/member-pointer-ms.cpp:253
@@ +252,3 @@
+#ifdef VMB
+namespace WarnTest {
+struct A {};
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Maybe, namespace PR20464 since this isn't a warning any more?

http://reviews.llvm.org/D4687