Turn off pre-tenuring of fast literals when we turn off high promotion mode.

Turn off pre-tenuring of fast literals when we turn off high promotion mode.


BUG=

Committed: https://code.google.com/p/v8/source/detail?r=14251

[danno, 2013-04-12 10:49:48]

lgtm

[Michael Starzinger, 2013-04-12 10:53:41]

LGTM with a nit.

https://codereview.chromium.org/14199003/diff/1/src/heap.cc
File src/heap.cc (right):

https://codereview.chromium.org/14199003/diff/1/src/heap.cc#newcode973
src/heap.cc:973: // We turn off pre-tenuring when we turn off high promotion
mode.
nit: The comment is not 100% accurate, this doesn't really turn off
pre-tenuring, it just gives Crankshaft the chance to recompile optimized code
that was compiled with pre-tenuring enabled.

[Hannes Payer (out of office), 2013-04-12 11:02:38]

https://codereview.chromium.org/14199003/diff/1/src/heap.cc
File src/heap.cc (right):

https://codereview.chromium.org/14199003/diff/1/src/heap.cc#newcode973
src/heap.cc:973: // We turn off pre-tenuring when we turn off high promotion
mode.
On 2013/04/12 10:53:41, Michael Starzinger wrote:
> nit: The comment is not 100% accurate, this doesn't really turn off
> pre-tenuring, it just gives Crankshaft the chance to recompile optimized code
> that was compiled with pre-tenuring enabled.

Done.

[Hannes Payer (out of office), 2013-04-12 11:14:56]

Committed patchset #2 manually as r14251 (presubmit successful).