657197 - TI: "Assertion failure: bad,"

Status: RESOLVED FIXED

(Core :: JavaScript Engine, defect)

Description

[Gary Kwong [:gkw] [:nth10sd] (NOT official MoCo now)]

Attachment: stack

(function() {
  new function() {
    throw [];
  }
})()

asserts js debug shell on JM changeset ef1ce31f66b9 with -n at Assertion failure: bad

Comment 1

[Brian Hackett [Laid off!]]

When analyzing the properties created when 'new' is called on a script, we assumed that there was a reachable return statement in the script.  This may not hold if the script always throws.

http://hg.mozilla.org/projects/jaegermonkey/rev/88112acd3094

Comment 2

[Christian Holler (:decoder)]

A testcase for this bug was automatically identified at js/src/jit-test/tests/basic/bug657197.js.