[llvm-bugs] Issue 6883 in oss-fuzz: llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: (OptimizedDiv.getOpcode() != ISD::UDIVREM) && (OptimizedDiv.getOpcode() != ISD::

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 6883 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--x86_64-O2: ASSERT: (OptimizedDiv.getOpcode() !=  
ISD::UDIVREM) && (OptimizedDiv.getOpcode() != ISD::
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6883#c2

ClusterFuzz has detected this issue as fixed in range  
201803130518:201803140522.

Detailed report: https://oss-fuzz.com/testcase?key=5229179646771200

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--x86_64-O2
Fuzz target binary: llvm-isel-fuzzer--x86_64-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   (OptimizedDiv.getOpcode() != ISD::UDIVREM) &&  
(OptimizedDiv.getOpcode() != ISD::
   DAGCombiner::visit
   DAGCombiner::combine

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801040618:201801050611
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201803130518:201803140522

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5229179646771200

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
more information.

If you suspect that the result above is incorrect, try re-doing that job on  
the test case report page.

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