[PATCH] D21295: Add a negative TBAA test

[Manman Ren via cfe-commits]

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In http://reviews.llvm.org/D21295#474241, @Anastasia wrote:

> LGTM!
>
> Has this test case been missing from the original commit? If yes, could you point to it please! Thanks!


The original commit is the support for tbaa, when we added support for tbaa, we check that correct tbaa metadata is generated when tbaa is on, but didn't test the other way (i.e no tbaa metadata if tbaa is off).


http://reviews.llvm.org/D21295