Allow to enable/disable inline allocation via runtime function.

Allow to enable/disable inline allocation via runtime function.

This will allow to artificially trigger GCs on all allocations for testing purposes.

BUG=
R=mstarzinger@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=18787

[Michael Achenbach, 2014-01-23 15:43:26]

PTAL

[Michael Starzinger, 2014-01-23 15:52:18]

LGTM with comment.

https://codereview.chromium.org/144543005/diff/1/src/runtime.cc
File src/runtime.cc (right):

https://codereview.chromium.org/144543005/diff/1/src/runtime.cc#newcode8757
src/runtime.cc:8757: isolate->heap()->EnableInlineAllocation();
As discussed offline: We could turn the ASSERT within EnableInlineAllocation()
and DisableInlineAllocation() into an early return to make call sites like this
easier to read.

[Michael Achenbach, 2014-01-23 15:55:43]

On 2014/01/23 15:52:18, Michael Starzinger wrote:
> LGTM with comment.
> 
> https://codereview.chromium.org/144543005/diff/1/src/runtime.cc
> File src/runtime.cc (right):
> 
> https://codereview.chromium.org/144543005/diff/1/src/runtime.cc#newcode8757
> src/runtime.cc:8757: isolate->heap()->EnableInlineAllocation();
> As discussed offline: We could turn the ASSERT within EnableInlineAllocation()
> and DisableInlineAllocation() into an early return to make call sites like
this
> easier to read.

Done

[Michael Achenbach, 2014-01-23 15:57:23]

Committed patchset #2 manually as r18787 (presubmit successful).