5627 and 5628:  Fix creation of an exception to avoid a rare GC corner case.
http://codereview.chromium.org/3782009

5640: Fix missing check for GC failure in number dictionary code.
http://codereview.chromium.org/3781014

5674: Fix the --noinline-new flag on ARM so that it forces us into C++ code
on every allocation.  Fix two places where the generated code couldn't
cope with an unlucky GC.
http://codereview.chromium.org/3872003

5676: Fix GC error in ES5 read-only properties implementation.
http://codereview.chromium.org/3920005
Review URL: http://codereview.chromium.org/4171002

git-svn-id: http://v8.googlecode.com/svn/branches/2.3@5703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00