[llvm-bugs] Issue 6285 in oss-fuzz: llvm/llvm-isel-fuzzer--aarch64-gisel: ASSERT: NumParts == 1 && "No-op copy with multiple parts!"

[ClusterFuzz-External via monorail via llvm-bugs]

Comment #2 on issue 6285 by ClusterFuzz-External:  
llvm/llvm-isel-fuzzer--aarch64-gisel: ASSERT: NumParts == 1 && "No-op copy  
with multiple parts!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=6285#c2

ClusterFuzz has detected this issue as fixed in range  
201802130618:201802140618.

Detailed report: https://oss-fuzz.com/testcase?key=5842547097206784

Project: llvm
Fuzzer: libFuzzer_llvm_llvm-isel-fuzzer--aarch64-gisel
Fuzz target binary: llvm-isel-fuzzer--aarch64-gisel
Job Type: libfuzzer_asan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address:
Crash State:
   NumParts == 1 && "No-op copy with multiple parts!"
   getCopyToParts
   llvm::SelectionDAGBuilder::visitRet

Sanitizer: address (ASAN)

Regressed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802120631:201802130618
Fixed:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&range=201802130618:201802140618

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5842547097206784

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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