[llvm-bugs] Issue 16523 in oss-fuzz: llvm:llvm-isel-fuzzer--x86_64-O2: ASSERT: F.isCanonical(L) && "Invalid canonical representation"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
CC: kcc at google.com, mascasa at google.com, jdevlieg... at apple.com,  
igm... at gmail.com, mitchp at google.com, bigchees... at gmail.com,  
eneyman at google.com, llvm-b... at lists.llvm.org, jfb at chromium.org,  
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akils... at apple.com
Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-08-17
Type: Bug

New issue 16523 by ClusterFuzz-External: llvm:llvm-isel-fuzzer--x86_64-O2:  
ASSERT: F.isCanonical(L) && "Invalid canonical representation"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16523

Detailed Report: https://oss-fuzz.com/testcase?key=5733302505308160

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-isel-fuzzer--x86_64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   F.isCanonical(L) && "Invalid canonical representation"
   LSRInstance::InsertFormula
   LSRInstance::GenerateConstantOffsetsImpl

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201901220414:201902020421

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5733302505308160

Issue filed automatically.

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
instructions to reproduce this bug locally.

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