[debugger] fix stepping out of across throwing.

[debugger] fix stepping out of across throwing.

R=jgruber@chromium.org
BUG=v8:5559
Committed: https://crrev.com/baba15223c3a08f87e69ae5c851bcb215f4048df
Cr-Commit-Position: refs/heads/master@{#40549}

[Yang, 2016-10-25 07:05:42]

The CQ bit was checked by yangguo@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-25 07:05:45]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[jgruber, 2016-10-25 07:28:54]

lgtm

https://codereview.chromium.org/2445233004/diff/1/test/mjsunit/regress/regres...
File test/mjsunit/regress/regress-5559.js (right):

https://codereview.chromium.org/2445233004/diff/1/test/mjsunit/regress/regres...
test/mjsunit/regress/regress-5559.js:18:
exec_state.prepareStep(Debug.StepAction.StepFrame);
StepOut as discussed offline.

https://codereview.chromium.org/2445233004/diff/1/test/mjsunit/regress/regres...
test/mjsunit/regress/regress-5559.js:37: assertNull(exception);
Should we assertEquals(2, break_count) here?

[Yang, 2016-10-25 07:31:28]

The CQ bit was checked by yangguo@chromium.org

[Yang, 2016-10-25 07:31:29]

The patchset sent to the CQ was uploaded after l-g-t-m from jgruber@chromium.org
Link to the patchset: https://codereview.chromium.org/2445233004/#ps20001
(title: "fix")

[commit-bot: I haz the power, 2016-10-25 07:31:40]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-25 08:00:19]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-17 22:11:57]

Description was changed from

==========
[debugger] fix stepping out of across throwing.

R=jgruber@chromium.org
BUG=v8:5559
==========

to

==========
[debugger] fix stepping out of across throwing.

R=jgruber@chromium.org
BUG=v8:5559

Committed: https://crrev.com/baba15223c3a08f87e69ae5c851bcb215f4048df
Cr-Commit-Position: refs/heads/master@{#40549}
==========

[commit-bot: I haz the power, 2016-11-17 22:11:57]

Patchset 2 (id:??) landed as
https://crrev.com/baba15223c3a08f87e69ae5c851bcb215f4048df
Cr-Commit-Position: refs/heads/master@{#40549}