Add lazy deoptimization environment to instanceof by marking it as a call....

Add lazy deoptimization environment to instanceof by marking it as a call.

This fixes an assert when an exception is thrown inside instanceof.

BUG=v8:1207
TEST=mjsunit/regress/regress-1207.js


Committed: http://code.google.com/p/v8/source/detail?r=6999

[Kevin Millikin (Chromium), 2011-03-01 13:53:25]

Drive bys:

Does this need to be ported to the other platforms so the test passes there?

I'd rather not use the flag in the test, since we normally test with
--always-opt anyway.

[Søren Thygesen Gjesse, 2011-03-01 14:21:40]

LGTM

[fschneider, 2011-03-01 14:39:59]

Uploaded x64 and ARM code.

Please have a look at the new files.

[fschneider, 2011-03-01 14:40:21]

On 2011/03/01 13:53:25, Kevin Millikin wrote:
> Drive bys:
> 
> Does this need to be ported to the other platforms so the test passes there?
> 
> I'd rather not use the flag in the test, since we normally test with
> --always-opt anyway.

Done.

[Søren Thygesen Gjesse, 2011-03-01 14:40:22]

LGTM for x64 and ARM as well.

http://codereview.chromium.org/6588083/diff/5003/src/x64/lithium-x64.cc
File src/x64/lithium-x64.cc (right):

http://codereview.chromium.org/6588083/diff/5003/src/x64/lithium-x64.cc#newco...
src/x64/lithium-x64.cc:1162: return MarkAsCall(DefineFixed(result, rax),
instr);;
Two ;s