[llvm-bugs] Issue 18151 in oss-fuzz: llvm:clang-fuzzer: ASSERT: (!NonEmptyPasteBefore || PasteBefore || VCtx.isInVAOpt()) && "unexpected ## in R

[ClusterFuzz-External via monorail via llvm-bugs]

Status: New
Owner: ----
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Labels: ClusterFuzz Stability-Memory-AddressSanitizer Reproducible  
Engine-libfuzzer OS-Linux Proj-llvm Reported-2019-10-11
Type: Bug

New issue 18151 by ClusterFuzz-External: llvm:clang-fuzzer: ASSERT:  
(!NonEmptyPasteBefore || PasteBefore || VCtx.isInVAOpt()) && "unexpected ##  
in R
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18151

Detailed Report: https://oss-fuzz.com/testcase?key=5650947962830848

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

Crash Type: ASSERT
Crash Address:
Crash State:
   (!NonEmptyPasteBefore || PasteBefore || VCtx.isInVAOpt()) && "unexpected  
## in R
   clang::TokenLexer::ExpandFunctionArguments
   clang::TokenLexer::Init

Sanitizer: address (ASAN)

Crash Revision:  
https://oss-fuzz.com/revisions?job=libfuzzer_asan_llvm&revision=201910100324

Reproducer Testcase:  
https://oss-fuzz.com/download?testcase_id=5650947962830848

Issue filed automatically.

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instructions to reproduce this bug locally.
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