[llvm-bugs] Issue 9026 in oss-fuzz: llvm/clang-fuzzer: ASSERT: isa<X>(Val) && "cast<Ty>() argument of incompatible type!"

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #3 on issue 9026 by ClusterFuzz-External: llvm/clang-fuzzer:  
ASSERT: isa<X>(Val) && "cast<Ty>() argument of incompatible type!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9026#c3

ClusterFuzz has detected this issue as fixed in range  
201807110801:201807230239.

Detailed report: https://oss-fuzz.com/testcase?key=6520660514832384

Project: llvm
Fuzzer: libFuzzer_llvm_clang-fuzzer
Fuzz target binary: clang-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!"
   clang::ASTContext::getIntegerRank
   clang::ASTContext::getIntegerTypeOrder

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201806200749:201806201813
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201807110801:201807230239

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=6520660514832384

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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