[llvm-bugs] Issue 5829 in oss-fuzz: llvm/llvm-isel-fuzzer--aarch64-gisel: ASSERT: Query.Types[Mutation.first] != Mutation.second && "Simple loop detected"

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 5829 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--aarch64-gisel: ASSERT:  
Query.Types[Mutation.first] != Mutation.second && "Simple loop detected"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5829#c2

ClusterFuzz has detected this issue as fixed in range  
201802010703:201802020657.

Detailed report: https://oss-fuzz.com/testcase?key=6591741416177664

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--aarch64-gisel
Fuzz target binary: llvm-isel-fuzzer--aarch64-gisel
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   Query.Types[Mutation.first] != Mutation.second && "Simple loop detected"
   llvm::LegalizeRuleSet::apply
   llvm::LegalizerInfo::getAction

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801290646:201801300702
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802010703:201802020657

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=6591741416177664

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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