Closed Bug 641741 Opened 9 years ago Closed 9 years ago

TI: Crash [@ js::types::TypeFailure] with missing type pushed inference failure

Categories

(Core :: JavaScript Engine, defect, critical)

x86
Linux
defect
Not set
critical

Tracking

()

RESOLVED FIXED

People

(Reporter: gkw, Unassigned)

References

(Blocks 2 open bugs)

Details

(Keywords: crash, testcase, Whiteboard: fixed-in-jaegermonkey)

Crash Data

eval("var[]=(++false[x])()=[],x")

crashes js debug shells on JM changeset 1ce8efbb75cc with -m, -a and -n at js::types::TypeFailure showing:

[infer failure] Missing type at #3:00007 pushed 0: float
The value pushed by the interpreter in overflowing object inc/dec ops (i.e. INCELEM) was not always marked as a double.

http://hg.mozilla.org/projects/jaegermonkey/rev/e1a60884a125
Status: NEW → RESOLVED
Closed: 9 years ago
Resolution: --- → FIXED
Whiteboard: fixed-in-jaegermonkey
Crash Signature: [@ js::types::TypeFailure]
A testcase for this bug was automatically identified at js/src/jit-test/tests/basic/bug641741.js.
Flags: in-testsuite+
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