Closed Bug 621487 Opened 14 years ago Closed 14 years ago

TypeInference & TM + JM: Assertion failure: fe->data.synced()

Categories

(Core :: JavaScript Engine, defect)

x86
All
defect
Not set
normal

Tracking

()

RESOLVED FIXED

People

(Reporter: alexander.miller, Unassigned)

References

Details

(Keywords: assertion, regression, testcase, Whiteboard: fixed-in-jaegermonkey)

User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101203 Firefox/3.6.13 Build Identifier: Assertion failure: fe->data.synced(), at c:/jaegermonkey/js/src/methodjit/FrameState.cpp:804 When running (function() { while (0) { var a, a = b; } })() with -j -m on the jaegermonkey repo, changeset a6438d91ca4d. Reproducible: Always Steps to Reproduce: 1. Load (function() { while (0) { var a, a = b; } })()
Status: UNCONFIRMED → NEW
Ever confirmed: true
OS: Windows 7 → All
The first bad revision is: changeset: 25d5598cbad9 user: Brian Hackett date: Mon Dec 06 11:53:53 2010 -0800 summary: [INFER] Allocate registers across branches and joins, bug 609899.
Blocks: 609899
(This happens *without* --enable-type-inference.)
This is a bogus assertion, the current state of the frame is irrelevant if synced is set during FrameState::prepareForJump. http://hg.mozilla.org/projects/jaegermonkey/rev/ef84d90968c9
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
Whiteboard: fixed-in-jaegermonkey
A testcase for this bug was automatically identified at js/src/jit-test/tests/basic/bug621487.js.
Flags: in-testsuite+
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