[llvm-bugs] Issue 12437 in oss-fuzz: llvm/llvm-isel-fuzzer--wasm32-O2: ASSERT: IdxVal < VecVT.getVectorNumElements() && "Invalid vector index!"

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #3 on issue 12437 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--wasm32-O2: ASSERT: IdxVal <  
VecVT.getVectorNumElements() && "Invalid vector index!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12437#c3

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

Detailed report: https://oss-fuzz.com/testcase?key=5763030103621632

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--wasm32-O2
Fuzz target binary: llvm-isel-fuzzer--wasm32-O2
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   IdxVal < VecVT.getVectorNumElements() && "Invalid vector index!"
   llvm::DAGTypeLegalizer::SplitVecOp_EXTRACT_VECTOR_ELT
   llvm::DAGTypeLegalizer::SplitVectorOperand

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201808290128:201808300127
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201901220414:201902020421

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5763030103621632

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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