Lazily initialize fast_sqrt() and pass an Isolate parameter to it

Lazily initialize fast_sqrt() and pass an Isolate parameter to it

R=jkummerow@chromium.org
BUG=v8:2487
LOG=n

Committed: https://crrev.com/27001ca6527c03292b889b9a32f938d1d0b89d8e
Cr-Commit-Position: refs/heads/master@{#32287}

[Jakob Kummerow, 2015-11-25 15:23:39]

LGTM with two nits: one is below, the other is that the BUG= line should mention
"v8:", i.e. in this case "BUG=v8:2487".

https://codereview.chromium.org/1473683004/diff/1/src/codegen.h
File src/codegen.h (right):

https://codereview.chromium.org/1473683004/diff/1/src/codegen.h#newcode95
src/codegen.h:95: UnaryMathFunctionWithIsolate CreateSqrtFunction(Isolate*
isoalte);
nit: s/isoalte/isolate/

[jochen (gone - plz use gerrit), 2015-11-25 15:24:40]

Description was changed from

==========
Lazily initialize fast_sqrt() and pass an Isolate parameter to it

R=jkummerow@chromium.org
BUG=2487
LOG=n
==========

to

==========
Lazily initialize fast_sqrt() and pass an Isolate parameter to it

R=jkummerow@chromium.org
BUG=v8:2487
LOG=n
==========

[jochen (gone - plz use gerrit), 2015-11-25 15:24:44]

The CQ bit was checked by jochen@chromium.org

[jochen (gone - plz use gerrit), 2015-11-25 15:24:44]

The patchset sent to the CQ was uploaded after l-g-t-m from
jkummerow@chromium.org
Link to the patchset: https://codereview.chromium.org/1473683004/#ps20001
(title: "updates")

[commit-bot: I haz the power, 2015-11-25 15:25:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1473683004/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1473683004/20001

[commit-bot: I haz the power, 2015-11-25 16:37:17]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-11-25 16:37:39]

Patchset 2 (id:??) landed as
https://crrev.com/27001ca6527c03292b889b9a32f938d1d0b89d8e
Cr-Commit-Position: refs/heads/master@{#32287}