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[TSan] Align default value of `detect_deadlocks` flag with actual behavior

Authored by yln on Dec 18 2018, 12:01 PM.



I tricked myself into thinking that deadlock detection is off by default in TSan by looking at the default value of the detect_deadlocks flag and outdated docs. (Created a pull request to update docs.)
I even managed to confuse others:!topic/thread-sanitizer/xYvnAYwtoDk

However, the default value is overwritten in code ( The TSan/deadlock tests also rely on this

This changes aligns the default value of the flag with the actual default behavior.

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Event Timeline

yln created this revision.Dec 18 2018, 12:01 PM
Herald added subscribers: Restricted Project, llvm-commits, kubamracek. ยท View Herald TranscriptDec 18 2018, 12:01 PM
yln retitled this revision from [TSan] Align default value of `detect_deadlock` flag with actual beh to [TSan] Align default value of `detect_deadlocks` flag with actual behavior.Dec 18 2018, 12:11 PM
yln edited the summary of this revision. (Show Details)
yln added reviewers: kubamracek, dvyukov, dcoughlin.
yln added a project: Restricted Project.
dvyukov accepted this revision.Dec 19 2018, 1:36 AM

Merging this now.

This revision is now accepted and ready to land.Dec 19 2018, 1:36 AM
dvyukov closed this revision.Dec 19 2018, 1:37 AM

Merged as 349609.