[llvm-bugs] Issue 4187 in oss-fuzz: llvm/clang-proto-fuzzer: ASSERT: isa<X>(Val) && "cast<Ty>() argument of incompatible type!"

[monor… via monorail via llvm-bugs]

Comment #3 on issue 4187 by  
monor... at clusterfuzz-external.iam.gserviceaccount.com:  
llvm/clang-proto-fuzzer: ASSERT: isa<X>(Val) && "cast<Ty>() argument of  
incompatible type!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4187#c3

ClusterFuzz has detected this issue as fixed in range  
201711140614:201711141648.

Detailed report: https://oss-fuzz.com/testcase?key=5614051091546112

Project: llvm
Fuzzer: libFuzzer_llvm_clang-proto-fuzzer
Fuzz target binary: clang-proto-fuzzer
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   isa<X>(Val) && "cast<Ty>() argument of incompatible type!"
   llvm::sinkRegion
   LoopInvariantCodeMotion::runOnLoop

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201711030507:201711040508
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201711140614:201711141648

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5614051091546112

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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