[llvm-bugs] Issue 4805 in oss-fuzz: llvm/llvm-isel-fuzzer--x86_64-O2: Abrt in llvm::llvm_unreachable_internal

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #8 on issue 4805 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--x86_64-O2: Abrt in llvm::llvm_unreachable_internal
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4805#c8

ClusterFuzz has detected this issue as fixed in range  
201809300230:201810010232.

Detailed report: https://oss-fuzz.com/testcase?key=5453405481861120

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: Abrt
Crash Address: 0x000000000001
Crash State:
   llvm::llvm_unreachable_internal
   llvm::X86InstrInfo::copyPhysReg
   ExpandPostRA::runOnMachineFunction

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201710160455:201710190451
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201809300230:201810010232

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5453405481861120

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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