Stage sloppy classes

Stage sloppy classes

This patch puts --harmony-sloppy into staging. Now that let, lexically-scoped
functions and ES2015 sloppy mode const semantics have been split off into
separate flags, the change only enables classes in sloppy mode.

BUG=v8:3305
R=adamk
LOG=Y

Committed: https://crrev.com/9f9cb990a5ccd1514dd684293bbcb98e52031006
Cr-Commit-Position: refs/heads/master@{#30141}

[Dan Ehrenberg, 2015-08-12 18:46:21]

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

[commit-bot: I haz the power, 2015-08-12 18:46:30]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1288153003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1288153003/1

[adamk, 2015-08-12 19:13:04]

lgtm, but I think you're going to need to change a bunch of expectations for
test262 (hopefully lines can just be removed!)

[commit-bot: I haz the power, 2015-08-12 19:19:07]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-08-12 19:19:08]

Dry run: Try jobs failed on following builders:
  v8_linux64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_rel/builds/8580)

[Dan Ehrenberg, 2015-08-12 23:05:28]

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

[commit-bot: I haz the power, 2015-08-12 23:05:45]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1288153003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1288153003/20001

[commit-bot: I haz the power, 2015-08-12 23:39:35]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-08-12 23:39:36]

Dry run: This issue passed the CQ dry run.

[Dan Ehrenberg, 2015-08-12 23:40:14]

The CQ bit was checked by littledan@chromium.org

[Dan Ehrenberg, 2015-08-12 23:40:15]

The patchset sent to the CQ was uploaded after l-g-t-m from adamk@chromium.org
Link to the patchset: https://codereview.chromium.org/1288153003/#ps20001
(title: "More test262 tests pass with sloppy class")

[commit-bot: I haz the power, 2015-08-12 23:40:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1288153003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1288153003/20001

[commit-bot: I haz the power, 2015-08-12 23:42:12]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-08-12 23:42:32]

Patchset 2 (id:??) landed as
https://crrev.com/9f9cb990a5ccd1514dd684293bbcb98e52031006
Cr-Commit-Position: refs/heads/master@{#30141}