Make `String.prototype.{starts,ends}With` throw when passing a regular expression

Make `String.prototype.{starts,ends}With` throw when passing a regular expression

Contributed by Mathias Bynens <mathiasb@opera.com>;.

TEST=mjsunit/harmony
BUG=v8:3070
LOG=Y
R=arv@chromium.org, ishell@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=18870

[Yang, 2013-12-23 09:56:06]

https://codereview.chromium.org/120683002/diff/1/test/mjsunit/harmony/string-...
File test/mjsunit/harmony/string-endswith.js (right):

https://codereview.chromium.org/120683002/diff/1/test/mjsunit/harmony/string-...
test/mjsunit/harmony/string-endswith.js:324: assertThrows(function() {
String.prototype.endsWith.call(undefined); }, TypeError);
We try to adhere to a 80-character-per-line limit when possible. This is not
always done, sometimes to make things easier to read (for example in
messages.js), but in tests we generally insert line breaks when necessary.

[mathias, 2013-12-23 12:21:05]

On 2013/12/23 09:56:06, Yang wrote:
> We try to adhere to a 80-character-per-line limit when possible.

Patch updated.

[arv (Not doing code reviews), 2014-01-06 15:44:20]

LGTM but Yang has the final word here.

[Igor Sheludko, 2014-01-09 11:32:12]

lgtm (Yang is not available now).

[mathias, 2014-01-27 10:24:13]

Rebased and updated to use the new `CHECK_OBJECT_COERCIBLE` macro.

[Igor Sheludko, 2014-01-28 10:31:31]

Committed patchset #3 manually as r18870 (presubmit successful).