[llvm-bugs] Issue 5032 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: getActiveBits() <= 64 && "Too many bits for uint64_t"

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 5032 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: getActiveBits() <= 64  
&& "Too many bits for uint64_t"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5032#c2

ClusterFuzz has detected this issue as fixed in range  
201801090613:201801100627.

Detailed report: https://oss-fuzz.com/testcase?key=5327169480818688

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

Crash Type: ASSERT
Crash Address:
Crash State:
   getActiveBits() <= 64 && "Too many bits for uint64_t"
   llvm::InstCombiner::visitAShr
   llvm::InstCombiner::run

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801010614:201801020611
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801090613:201801100627

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5327169480818688

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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