Merge bleeding_edge from version 2.1.3 up to revision 4205...

Merge bleeding_edge from version 2.1.3 up to revision 4205
to the partial_snapshots branch.

For now, the custom call generator path inside the stub cache
code in CallStubCompiler::CompileCallConstant has been disabled
because of missing external references for push/pop.

TBR=erik.corry@gmail.com

Committed: http://code.google.com/p/v8/source/detail?r=4215

[Erik Corry, 2010-03-23 10:12:44]

LGTM

http://codereview.chromium.org/1148007/diff/1/42
File src/heap.cc (right):

http://codereview.chromium.org/1148007/diff/1/42#newcode117
src/heap.cc:117: int Heap::unflattended_strings_length_ = 0;
That's not even a word!

http://codereview.chromium.org/1148007/diff/1/91
File src/objects.h (right):

http://codereview.chromium.org/1148007/diff/1/91#newcode3162
src/objects.h:3162: // Currently it either has FunctionTemplateInfo to make
benefit the API
Somehow, attempting to fix the Borat quotes isn't helping :-)

http://codereview.chromium.org/1148007/diff/1/85
File src/runtime.cc (right):

http://codereview.chromium.org/1148007/diff/1/85#newcode1252
src/runtime.cc:1252: CustomCallGenerator generator = NULL) {
This should be an external reference (note for later).