Status: New
Owner: ----
CC: [email protected], [email protected], [email protected],
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-09-09
Type: Bug
New issue 17091 by ClusterFuzz-External:
llvm:llvm-opt-fuzzer--x86_64-strength_reduce: ASSERT: !BaseRegs.empty()
&& "1*reg => reg, should not be needed."
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=17091
Detailed Report: https://oss-fuzz.com/testcase?key=5630487451664384
Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: llvm-opt-fuzzer--x86_64-strength_reduce
Job Type: libfuzzer_asan_llvm
Platform Id: linux
Crash Type: ASSERT
Crash Address:
Crash State:
!BaseRegs.empty() && "1*reg => reg, should not be needed."
Formula::canonicalize
LSRInstance::GenerateReassociationsImpl
Sanitizer: address (ASAN)
Regressed:
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802210603:201802211531
Reproducer Testcase:
https://oss-fuzz.com/download?testcase_id=5630487451664384
Issue filed automatically.
See https://google.github.io/oss-fuzz/advanced-topics/reproducing for
instructions to reproduce this bug locally.
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