Closed Bug 703035 Opened 13 years ago Closed 13 years ago

Interpreter producing incorrect value of 1/-0 in 47.16

Categories

(Tamarin Graveyard :: Interpreter, defect, P2)

Product:
Tamarin Graveyard
Component:
Interpreter
Platform:
x86
macOS
Type:
defect

Tracking

(Not tracked)

Status:
VERIFIED FIXED
Milestone:
Q2 12 - Cyril

People

(Reporter: brbaker, Assigned: lhansen)

References

Details

Code:
var z = 0;
print(1/-z);

Expected output:
-Infinity

You will get the expected output if compile WITHOUT -abcfuture (46.16) and run in jit or interp mode. However if you compile with -abcfuture (47.16) then you will get the correct value with jit but will get positive Infinity with the interpreter.

Testmedia:
ecma3/TypeConversion/e9_3_1_3_rt.as
Flags: in-testsuite+
Flags: flashplayer-triage+
Flags: flashplayer-qrb+
Flags: flashplayer-bug-
Priority: -- → P2
Target Milestone: --- → Q2 12 - Cyril
Also true for eval (which creates 47.16 content always on tr-float), so not an ASC problem.
Assignee: nobody → lhansen
The problem is negate:

-0 => 0
op_negate neglects to check for zeroIntAtom.
Status: NEW → RESOLVED
Closed: 13 years ago
Resolution: --- → FIXED
Status: RESOLVED → VERIFIED
changeset: 6967:a3c96881e1fb
user:      Brent Baker <brbaker@adobe.com>
summary:   Bug 703035 - Interpreter producing incorrect value of 1/-0 in 47.16, mark expected failure

http://hg.mozilla.org/tamarin-redux/rev/a3c96881e1fb
changeset: 6985:04fdfa8cdce5
user:      Lars T Hansen <lhansen@adobe.com>
summary:   Fix 703035 - Interpreter producing incorrect value of 1/-0 in 47.16

http://hg.mozilla.org/tamarin-redux/rev/04fdfa8cdce5
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