Reland 2 "Keep a canonical list of shared function infos."

Reland 2 "Keep a canonical list of shared function infos."

BUG=v8:4132
LOG=N

Committed: https://crrev.com/6434ec3087838e856552a012f18536c1c33b92d3
Cr-Commit-Position: refs/heads/master@{#29291}

[Yang, 2015-06-25 11:50:09]

yangguo@chromium.org changed reviewers:
+ bmeurer@chromium.org

[Yang, 2015-06-25 11:50:09]

Patch set 2 is the fix.

The issue was that we were tracking whether a shared function info has been
compiled for the first time is wrong. See test case.

[Benedikt Meurer, 2015-06-25 11:53:32]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2015-06-25 11:53:32]

lgtm

[commit-bot: I haz the power, 2015-06-25 11:53:42]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1211803002/40001

[commit-bot: I haz the power, 2015-06-25 12:20:03]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-06-25 12:20:14]

Patchset 3 (id:??) landed as
https://crrev.com/6434ec3087838e856552a012f18536c1c33b92d3
Cr-Commit-Position: refs/heads/master@{#29291}