Closed
Bug 621487
Opened 14 years ago
Closed 14 years ago
TypeInference & TM + JM: Assertion failure: fe->data.synced()
Categories
(Core :: JavaScript Engine, defect)
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; } })()
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Updated•14 years ago
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Status: UNCONFIRMED → NEW
Ever confirmed: true
OS: Windows 7 → All
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Updated•14 years ago
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Blocks: infer-regress
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Comment 1•14 years ago
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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
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Comment 2•14 years ago
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(This happens *without* --enable-type-inference.)
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Comment 3•14 years ago
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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
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Comment 4•11 years ago
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A testcase for this bug was automatically identified at js/src/jit-test/tests/basic/bug621487.js.
Flags: in-testsuite+
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Description
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