Take Symbol-keyed properties into account in Object.freeze and friends

Take Symbol-keyed properties into account in Object.freeze and friends

R=rossberg@chromium.org
BUG=chromium:539875
LOG=y

Committed: https://crrev.com/b646cb3e50a278025c804efdd06e959fcfefd9c1
Cr-Commit-Position: refs/heads/master@{#31303}

[rossberg, 2015-10-15 12:12:56]

lgtm

https://codereview.chromium.org/1393373005/diff/1/test/mjsunit/regress/regres...
File test/mjsunit/regress/regress-539875.js (right):

https://codereview.chromium.org/1393373005/diff/1/test/mjsunit/regress/regres...
test/mjsunit/regress/regress-539875.js:9: Object.seal(sloppy);
Check Object.isSealed(sloppy) here (analogous below).

[adamk, 2015-10-15 12:29:32]

https://codereview.chromium.org/1393373005/diff/1/test/mjsunit/regress/regres...
File test/mjsunit/regress/regress-539875.js (right):

https://codereview.chromium.org/1393373005/diff/1/test/mjsunit/regress/regres...
test/mjsunit/regress/regress-539875.js:9: Object.seal(sloppy);
On 2015/10/15 12:12:55, rossberg wrote:
> Check Object.isSealed(sloppy) here (analogous below).

Done and done (though the return value of that in this case didn't change with
this patch).

[adamk, 2015-10-15 12:29:39]

The CQ bit was checked by adamk@chromium.org

[adamk, 2015-10-15 12:29:39]

The patchset sent to the CQ was uploaded after l-g-t-m from
rossberg@chromium.org
Link to the patchset: https://codereview.chromium.org/1393373005/#ps20001
(title: "Assert more things")

[commit-bot: I haz the power, 2015-10-15 12:29:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1393373005/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1393373005/20001

[commit-bot: I haz the power, 2015-10-15 13:32:48]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-10-15 13:33:07]

Patchset 2 (id:??) landed as
https://crrev.com/b646cb3e50a278025c804efdd06e959fcfefd9c1
Cr-Commit-Position: refs/heads/master@{#31303}