[PATCH] D65222: [IPSCCP] Add assertion to surface cases where we zap returns with overdefined users.

Fri Jul 26 08:46:08 PDT 2019

fhahn added a subscriber: nickdesaulniers.
fhahn added a comment.

In D65222#1602666 <https://reviews.llvm.org/D65222#1602666>, @peter.smith wrote:

> A couple of our CI jobs have found this assertion triggering. The first is when compiling the linux kernel using allmodconfig. The second is on this reduced example using LTO:

Thanks, that's interesting, I'll take a look. This is also triggering a different assertion in this job: https://ci.linaro.org/job/tcwg_kernel-build-llvm-master-aarch64-mainline-allmodconfig/401/ (@nickdesaulniers made me aware) and I think I should have a reproducer for that issue as well shortly. I should know what's going on on Monday the latest. If it is blocking your jobs, should we revert it in the meantime?

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65222/new/

https://reviews.llvm.org/D65222