[llvm-bugs] Issue 4718 in oss-fuzz: llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT: C.ashr(*ShiftAmt).shl(*ShiftAmt) == C && "Compare known true or false was not fo

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #3 on issue 4718 by ClusterFuzz-External:  
llvm/llvm-opt-fuzzer--x86_64-instcombine: ASSERT:  
C.ashr(*ShiftAmt).shl(*ShiftAmt) == C && "Compare known true or false was  
not fo
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4718#c3

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

Detailed report: https://oss-fuzz.com/testcase?key=5678891130683392

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:
   C.ashr(*ShiftAmt).shl(*ShiftAmt) == C && "Compare known true or false was  
not fo
   llvm::InstCombiner::foldICmpShlConstant
   llvm::InstCombiner::foldICmpInstWithConstant

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201712190608:201712210617
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201801090613:201801100627

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5678891130683392

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.

-- 
You received this message because:
   1. You were specifically CC'd on the issue

You may adjust your notification preferences at:
https://bugs.chromium.org/hosting/settings

Reply to this email to add a comment.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-bugs/attachments/20180110/a078beda/attachment.html>