Fast path for strict closure creation.

Fast path for strict closure creation.

BUG=http://code.google.com/p/v8/issues/detail?id=1249
TEST=strict-mode.js

[Martin Maly, 2011-03-15 03:08:57]

Implementing FastNewClosureStub for strict mode functions.
The FastNewClosureStub is parametrized via strict/non-strict mode and during
codegen it decides which map to use depending on strict-ness. The strict-ness is
also part of the hash function so the stubs do not get confused.

Thank you!
Martin

http://codereview.chromium.org/6677036/diff/1/src/bootstrapper.cc
File src/bootstrapper.cc (right):

http://codereview.chromium.org/6677036/diff/1/src/bootstrapper.cc#newcode568
src/bootstrapper.cc:568: 
For some reason this felt cleaner, to freeze first and then install...

http://codereview.chromium.org/6677036/diff/1/src/contexts.h
File src/contexts.h (right):

http://codereview.chromium.org/6677036/diff/1/src/contexts.h#newcode81
src/contexts.h:81: V(FUNCTION_MAP_STRICT_INDEX, Map, function_map_strict) \
Changing the names to end with _INDEX like all the rest.

[Mads Ager (chromium), 2011-03-15 08:49:54]

LGTM

http://codereview.chromium.org/6677036/diff/1/src/bootstrapper.cc
File src/bootstrapper.cc (right):

http://codereview.chromium.org/6677036/diff/1/src/bootstrapper.cc#newcode568
src/bootstrapper.cc:568: 
On 2011/03/15 03:08:57, Martin Maly wrote:
> For some reason this felt cleaner, to freeze first and then install...

I agree. :)

http://codereview.chromium.org/6677036/diff/1/src/ia32/code-stubs-ia32.cc
File src/ia32/code-stubs-ia32.cc (right):

http://codereview.chromium.org/6677036/diff/1/src/ia32/code-stubs-ia32.cc#new...
src/ia32/code-stubs-ia32.cc:73: ? Context::FUNCTION_MAP_STRICT_INDEX
This is part of another change but I think I would prefer the name
STRICT_FUNCTION_MAP_INDEX or even (but that is very long)
STRICT_MODE_FUNCTION_MAP_INDEX. Similarly for the other strict mode variants of
maps.