Scott Constable 0505181006 [X86] Fix to X86LoadValueInjectionRetHardeningPass for possible segfault ...

`MBB.back()` could segfault if `MBB.empty()`. Fixed by checking for `MBB.empty()` in the loop.

Differential Revision: https://reviews.llvm.org/D77584

2020-04-10 18:28:08 -07:00

4.9 KiB

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