1716134 - TEST-UNEXPECTED-FAIL | js/src/jit/MIROpsGenerated.h differs. See the diff.html or diff.txt artifact

Status: RESOLVED FIXED

(Core :: JavaScript Engine: JIT, defect)

Description

[Noemi Erli[:noemi_erli]]

https://treeherder.mozilla.org/jobs?repo=mozilla-central&group_state=expanded&collapsedPushes=842382&resultStatus=testfailed%2Cbusted%2Cexception%2Cretry%2Cusercancel&revision=0a5c47d4a336cfffcfd09465ff6d699a4b364dc4&searchStr=diffoscope&selectedTaskRun=JoFYZCGmQFCtH4aNLFz4Yw.0

https://firefoxci.taskcluster-artifacts.net/JoFYZCGmQFCtH4aNLFz4Yw/0/public/diff.txt
This seems to be a regression from https://bugzilla.mozilla.org/show_bug.cgi?id=1699271
Caroline, could you please take a look at this?

Comment 1

[Intermittent Failures Robot]

6 failures in 3502 pushes (0.002 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 6

Platform and build breakdown:

• diff: 6
  • opt: 6

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1716134&startday=2021-06-07&endday=2021-06-13&tree=all

Comment 2

[Sebastian Hengst [:aryx] (needinfo me if it's about an intermittent or backout)]

Mike, please fix the Diffoscope tasks.

Comment 3

[Mike Hommey [:glandium]]

Generated code is not deterministic:
https://firefoxci.taskcluster-artifacts.net/UvIPdAJ5QmGMKvD4z9KX0w/1/public/diff.html

Comment 4

[Caroline Cullen [:caroline]]

Attachment: Bug 1716134 - Fix diffoscope bug by sorting static asserts before generating the code. r?iain

Comment 5

[Intermittent Failures Robot]

34 failures in 2888 pushes (0.012 failures/push) were associated with this bug in the last 7 days.

This is the #40 most frequent failure this week.

** This failure happened more than 30 times this week! Resolving this bug is a high priority. **

** Try to resolve this bug as soon as possible. If unresolved for 2 weeks, the affected test(s) may be disabled. **

Repository breakdown:

• mozilla-central: 34

Platform and build breakdown:

• diff: 34
  • opt: 34

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1716134&startday=2021-06-14&endday=2021-06-20&tree=all

Comment 6

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/6eb2b9a1bb6b
Fix diffoscope bug by sorting static asserts before generating the code. r=iain

Comment 7

[Alexandru Michis [:malexandru]]

https://hg.mozilla.org/mozilla-central/rev/6eb2b9a1bb6b

Comment 8

[Intermittent Failures Robot]

4 failures in 3115 pushes (0.001 failures/push) were associated with this bug in the last 7 days.

Repository breakdown:

• mozilla-central: 4

Platform and build breakdown:

• diff: 4
  • opt: 4

For more details, see:
https://treeherder.mozilla.org/intermittent-failures/bugdetails?bug=1716134&startday=2021-06-21&endday=2021-06-27&tree=all