[llvm-bugs] Issue 12397 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-earlycse: ASSERT: !FoundVal && "Key already in new map?"

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 12397 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-earlycse: ASSERT: !FoundVal && "Key already in  
new map?"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12397#c2

ClusterFuzz has detected this issue as fixed in range  
201901220414:201902020421.

Detailed report: https://oss-fuzz.com/testcase?key=5640809326575616

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

Crash Type: ASSERT
Crash Address:
Crash State:
   !FoundVal && "Key already in new map?"
   llvm::DenseMapBase<llvm::DenseMap<SimpleValue,  
llvm::ScopedHashTableVal<SimpleVa
   llvm::DenseMapBase<llvm::DenseMap<SimpleValue,  
llvm::ScopedHashTableVal<SimpleVa

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201812100233:201812110234
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201901220414:201902020421

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5640809326575616

See https://github.com/google/oss-fuzz/blob/master/docs/reproducing.md for  
instructions to reproduce this bug locally.

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

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