jemalloc 5.1.0 fails in unit tests with gcc8 and profiling enabled on armv7
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Description
jemalloc fails in tests with gcc8 and profiling enabled (-enable-prof option).
Last line of test is:
=== test/unit/arena_reset ===
jemalloc passes all the tests if:
- CC is gcc7 instead of gcc8 (with profiling enabled)
- CC is gcc8 but profiling is disabled
A bugzilla report is available here, with the build log: https://bugzilla.opensuse.org/show_bug.cgi?id=1105633
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with the unit test sequence ending at test/unit/arena_reset and reproduce the failure on armv7 using gcc8 with profiling enabled; compare it with gcc7 or profiling disabled. Use the linked Bugzilla report and build log to identify the failing behavior, then confirm that the affected unit tests pass under the reported configuration.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- c
- Domain
- compilers, testing-qa
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100