[PATCH] D31830: Emit invariant.group.barrier when using union field

[John McCall via Phabricator via cfe-commits]

rjmccall accepted this revision.
rjmccall added a comment.
This revision is now accepted and ready to land.

Looks great, thanks.  One request for additional tests, but feel free to commit when that's ready.



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Comment at: test/CodeGenCXX/strict-vtable-pointers.cpp:258
+  take(u.h);
+}
 
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Please include test cases involving classes that only have a virtual pointer in a field of a base class — e.g. something that inherits from HoldingVirtuals.  And be sure to cover both normal and virtual inheritance.


https://reviews.llvm.org/D31830