[PATCH] D60659: [InstCombine] Eliminate stores to constant memory

[Philip Reames via Phabricator via llvm-commits]

reames added a comment.

In D60659#1483597 <https://reviews.llvm.org/D60659#1483597>, @liutianle wrote:

> hi reames, I have a question in the view of customer. If he writes deliberately to a read-only memory to expect trigger a seg fault, or if he wants to write to a memory which he does not realize it is read only. Should compiler tell him the writing is invalid, rather than treat it as a nop silently?


See the discussion in the commit thread about this being undefined behaviour and possibilities for sanitization.


Repository:
  rL LLVM

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  https://reviews.llvm.org/D60659/new/

https://reviews.llvm.org/D60659