Closed Bug 617688 Opened 14 years ago Closed 14 years ago

TypeInference: wrong result for x = -(void 0)

Categories

(Core :: JavaScript Engine, defect)

Product:
Core
Component:
JavaScript Engine
Platform:
x86
macOS
Type:
defect
Priority:
Not set
Severity:
normal

Tracking

()

Status:
RESOLVED FIXED

People

(Reporter: jandem, Unassigned)

References

Details

(Whiteboard: fixed-in-jaegermonkey) 

---
var x = -(void 0);
assertEq(x, NaN);
---
test.js:2: Error: Assertion failed: got 0, expected NaN

Looks like it has to do with the store:

./js
js> x = -(void 0);
NaN
js> x
NaN

./js -m
js> x = -(void 0);
NaN
js> x
0
This was fixed by the patch in bug 617670.

http://hg.mozilla.org/projects/jaegermonkey/rev/c247104a1499
Depends on: 617670
Whiteboard: fixed-in-jaegermonkey
Blocks: infer-regress
No longer blocks: TypeInference
Status: NEW → RESOLVED
Closed: 14 years ago
Resolution: --- → FIXED
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