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Issue 598768 link

Starred by 2 users
Status: WontFix
Owner:
█ kozyatinskiy@chromium.org
Last visit > 30 days ago
Closed: Apr 2016
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Devtools crash when debugging exception in ES6 constructor

Project Member Reported by blois@google.com, Mar 29 2016 
UserAgent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36

Steps to reproduce the problem:
1. The javascript:
class A { constructor() {} }
class B extends A {
  constructor() {
    throw new Error();
    super();
  }
}
new B();
2. Pause on exceptions in the javascript debugger.

3. When debugger breaks on the throw in B::constructor, the page Aw Snaps.

It works properly when the super() call is before the throw.

What is the expected behavior?
Page does not crash when debugger pauses.

What went wrong?
Page crashes when debugger pauses.

Did this work before? N/A 

Chrome version: 49.0.2623.87  Channel: stable
OS Version: 49
Flash Version: Shockwave Flash 21.0 r0

It works properly when the super() call is before the throw.

Comment 1 by pfeldman@chromium.org, Mar 29 2016

Owner: kozyatinskiy@chromium.org
Status: Assigned (was: Unconfirmed)

Comment 2 by kozyatinskiy@chromium.org, Mar 30 2016

Labels: Needs-Feedback
Thank you for report.
I try to reproduce it. My test page contains:
<script>
class A { constructor() {} }
class B extends A {
  constructor() {
    throw new Error();
    super();
  }
}
new B();
</script>
I've reloaded it with pause on exception enabled in current stable and in ToT and crash isn't occurred. Could you provide more details?

Comment 3 by kozyatinskiy@chromium.org, Apr 13 2016

Status: WontFix (was: Assigned)
Feel free to reassign it back if it's still reproducible.
►

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