Closed Bug 1255495 Opened 8 years ago Closed 4 years ago

Bad error behavior when using a function proxy

Categories

(Core :: JavaScript Engine, defect)

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

Tracking

()

Status:
RESOLVED WORKSFORME

People

(Reporter: evilpie, Unassigned)

References

(Blocks 1 open bug)

Details

Consider this code `new (new Proxy(Math.sin, {}))`. This should throw, because the function (and thus the proxy) is not constructable. However in certain cases we invoke ValueToSource on the proxy, which yields a different error: Function.prototype.toString called on incompatible object.
> new (new Proxy(Math.sin, {}))
TypeError:  (new Proxy(...)) is not a constructor
Status: NEW → RESOLVED
Closed: 4 years ago
Resolution: --- → WORKSFORME
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