Closed
Bug 642592
Opened 14 years ago
Closed 14 years ago
TI: Assertion failure: key.index() >= 0, at ./methodjit/BaseAssembler.h:693
Categories
(Core :: JavaScript Engine, defect)
Tracking
()
RESOLVED
FIXED
People
(Reporter: decoder, Unassigned)
References
Details
(Keywords: assertion, testcase, Whiteboard: fixed-in-jaegermonkey)
The following test case (run with -n -a -m) asserts on TI tip, tested on 64
bit:
var strings = new Array();
strings[0x7fffffff] = string;
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Comment 1•14 years ago
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Nice, this triggered an integer overflow when generating the hole-setting path for dense arrays (the generated code is, however, unreachable).
http://hg.mozilla.org/projects/jaegermonkey/rev/39ec057f7b17
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
Whiteboard: fixed-in-jaegermonkey
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Comment 2•14 years ago
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> + if (id->getValue().toInt32() + 1 < 0) // watch for overflow in hole paths
Does that work everywhere? Some optimizers assume no integer overflow.
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Reporter | |
Comment 3•12 years ago
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A testcase for this bug was automatically identified at js/src/jit-test/tests/basic/bug642592.js.
Flags: in-testsuite+
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Description
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