17185, "daviditen", "Intermittent segfault in Cron llvm testing", "2021-02-18T19:37:17Z"
Summary of Problem
The test:
test/studies/dedup/dedup-externblock.chpl
Segfaults in the "Cron llvm" configuration approximately 1/1000 times it is executed. I verified that it fails in this intermittent way at least as far back as 2/1/2021.
Steps to Reproduce
Source Code:
test/studies/dedup/dedup-externblock.chpl
Compile command:
chpl --cc-warnings --llvm dedup-externblock.chpl
Execution command:
./dedup-externblock dedup-test
Configuration Information
% chpl --version
chpl version 1.24.0 pre-release (4ded86dee5)
built with LLVM version 11.0.1
Copyright 2020-2021 Hewlett Packard Enterprise Development LP
Copyright 2004-2019 Cray Inc.
(See LICENSE file for more details)
% printchplenv --anonymize
CHPL_TARGET_PLATFORM: linux64
CHPL_TARGET_COMPILER: gnu
CHPL_TARGET_ARCH: x86_64
CHPL_TARGET_CPU: none *
CHPL_LOCALE_MODEL: flat
CHPL_COMM: none
CHPL_TASKS: qthreads
CHPL_LAUNCHER: none
CHPL_TIMERS: generic
CHPL_UNWIND: none
CHPL_MEM: jemalloc
CHPL_ATOMICS: cstdlib
CHPL_GMP: bundled
CHPL_HWLOC: bundled
CHPL_REGEXP: re2
CHPL_LLVM: system *
CHPL_AUX_FILESYS: none
% gcc --version
gcc (GCC) 8.3.0