[llvm-bugs] Issue 33820 in oss-fuzz: llvm:llvm-opt-fuzzer--x86_64-gvn: ASSERT: Values->first == PN1 && Values->second == PN2

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: k...@google.com, masc...@google.com, jdevl...@apple.com, igm...@gmail.com, 
d...@google.com, mit...@google.com, bigch...@gmail.com, eney...@google.com, 
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible 
Engine-libfuzzer OS-Linux Proj-llvm Reported-2021-04-29
Type: Bug

New issue 33820 by ClusterFuzz-External: llvm:llvm-opt-fuzzer--x86_64-gvn: 
ASSERT: Values->first == PN1 && Values->second == PN2
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=33820

Detailed Report: https://oss-fuzz.com/testcase?key=6144028845408256

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-gvn
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  Values->first == PN1 && Values->second == PN2
  getInvertibleOperands
  isKnownNonEqual
  
Sanitizer: address (ASAN)

Regressed: 
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=202104280624:202104290600

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=6144028845408256

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for 
instructions to reproduce this bug locally.
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