Allow some runtime functions to accept Int32s instead of Smis.

Allow some runtime functions to accept Int32s instead of Smis.

R=bmeurer@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=23796

[Michael Starzinger, 2014-09-09 11:22:54]

https://codereview.chromium.org/551363002/diff/1/test/mjsunit/new-string-add.js
File test/mjsunit/new-string-add.js (left):

https://codereview.chromium.org/551363002/diff/1/test/mjsunit/new-string-add....
test/mjsunit/new-string-add.js:28: // Flags: --new-string-add
Note that this test is an exact copy of mjsunit/string-add.js with the exception
of this flag, which no longer exists.

[Benedikt Meurer, 2014-09-09 11:52:48]

lgtm

[Michael Starzinger, 2014-09-09 12:12:17]

Committed patchset #2 (id:20001) manually as 23796 (presubmit successful).