[llvm] [DAGCombiner] Ensure poison-generating flags are stripped in `freeze` op (PR #114582)

[Antonio Frighetto via llvm-commits]

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@@ -0,0 +1,40 @@
+; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
+; RUN: llc -mtriple=arm-linux-gnueabi -mcpu=arm1022e -mattr=armv5te -o - %s | FileCheck %s
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antoniofrighetto wrote:

It's quite weird as I didn't get any warning, this definitely needs to be fixed. Dropped it as turned to be not needed (gets exercized anyways).

https://github.com/llvm/llvm-project/pull/114582