https://bugs.llvm.org/show_bug.cgi?id=48658
Bug ID: 48658
Summary: [OpenMP 5.0] Compiler crash when OpenMP atomic sync
hints used
Product: OpenMP
Version: unspecified
Hardware: Other
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Clang Compiler Support
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Created attachment 24348
--> https://bugs.llvm.org/attachment.cgi?id=24348&action=edit
Zip of preprocessed source, run script, and compiler output.
Overview: Clang 11.0.0-rc1 crashes when compiling code using the OpenMP atomic
construct with a hint clause.
Steps to reproduce:
1. Compile with `clang -fopenmp atomic_hint_reproducer.c`
Actual results:
Clang crashes with illegal instruction error, see attached output file for
exact message.
Expected results:
Successful compilation.
Build & Hardware:
clang version 11.0.0 (https://github.com/llvm/llvm-project.git
d6875948aaade1cd39e5d9b373d02749dd1e58f2)
Target: powerpc64le-unknown-linux-gnu
Thread model: posix
InstalledDir: /sw/summit/llvm/11.0.0-rc1/11.0.0-rc1-0/bin
Additional Information:
Output, reproducer source, and run script attached in a zip. Reproducer uses
omp_sync_hint_contended, but crashes with any hint.
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