X87: Reland "[turbofan] Discard the shared code entry in the optimized code map.".

X87: Reland "[turbofan] Discard the shared code entry in the optimized code map.".

  port ec132e05ec197e77b9ada8040eb5957cf4a753f5 (r40086)

  original commit message:
  (GcStress failure was unrelated.)

  At one time, we hoped to generate the same code for different
  native contexts. But in truth, much performance comes from optimizing
  on the native context. Now we abandon this pathway.

BUG=

Committed: https://crrev.com/90ebb7b4dd9bcf296f25566fc003f899fd5c2721
Cr-Commit-Position: refs/heads/master@{#40147}

[zhengxing.li, 2016-10-10 10:55:59]

zhengxing.li@intel.com changed reviewers:
+ chunyang.dai@intel.com, mvstanton@chromium.org, weiliang.lin@intel.com

[zhengxing.li, 2016-10-10 10:55:59]

PTAL,thanks!

[Weiliang, 2016-10-11 01:38:18]

lgtm

[zhengxing.li, 2016-10-11 02:13:54]

The CQ bit was checked by zhengxing.li@intel.com

[commit-bot: I haz the power, 2016-10-11 02:14:04]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-11 02:38:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-11 02:38:41]

Description was changed from

==========
X87: Reland "[turbofan] Discard the shared code entry in the optimized code
map.".

  port ec132e05ec197e77b9ada8040eb5957cf4a753f5 (r40086)

  original commit message:
  (GcStress failure was unrelated.)

  At one time, we hoped to generate the same code for different
  native contexts. But in truth, much performance comes from optimizing
  on the native context. Now we abandon this pathway.

BUG=
==========

to

==========
X87: Reland "[turbofan] Discard the shared code entry in the optimized code
map.".

  port ec132e05ec197e77b9ada8040eb5957cf4a753f5 (r40086)

  original commit message:
  (GcStress failure was unrelated.)

  At one time, we hoped to generate the same code for different
  native contexts. But in truth, much performance comes from optimizing
  on the native context. Now we abandon this pathway.

BUG=

Committed: https://crrev.com/90ebb7b4dd9bcf296f25566fc003f899fd5c2721
Cr-Commit-Position: refs/heads/master@{#40147}
==========

[commit-bot: I haz the power, 2016-10-11 02:38:43]

Patchset 1 (id:??) landed as
https://crrev.com/90ebb7b4dd9bcf296f25566fc003f899fd5c2721
Cr-Commit-Position: refs/heads/master@{#40147}