[llvm-bugs] Issue 27347 in oss-fuzz: llvm:clang-fuzzer: ASSERT: Entry != DelayedTypos.end() && "Failed to get the state for a TypoExpr!"

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Reproducible Stability-Memory-MemorySanitizer Engine-libfuzzer OS-Linux Proj-llvm Reported-2020-11-09
Type: Bug

New issue 27347 by ClusterFuzz-External: llvm:clang-fuzzer: ASSERT: Entry != DelayedTypos.end() && "Failed to get the state for a TypoExpr!"
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27347

Detailed Report: https://oss-fuzz.com/testcase?key=5644433776967680

Project: llvm
Fuzzing Engine: libFuzzer
Fuzz Target: clang-fuzzer
Job Type: libfuzzer_msan_llvm
Platform Id: linux

Crash Type: ASSERT
Crash Address: 
Crash State:
  Entry != DelayedTypos.end() && "Failed to get the state for a TypoExpr!"
  clang::Sema::getTypoExprState
  clang::Sema::CorrectDelayedTyposInExpr
  
Sanitizer: memory (MSAN)

Regressed: https://oss-fuzz.com/revisions?job=libfuzzer_msan_llvm&range=202006110252:202006121812

Reproducer Testcase: https://oss-fuzz.com/download?testcase_id=5644433776967680

Issue filed automatically.

See https://google.github.io/oss-fuzz/advanced-topics/reproducing for instructions to reproduce this bug locally.
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