Remove unnecessary TypeFeedbackIds, saves memory and simplifies TurboFan.

Remove unnecessary TypeFeedbackIds, saves memory and simplifies TurboFan.

Consequence of going whole-hog for vector-based Load/KeyedLoad ICs.

BUG=

Committed: https://crrev.com/c5b7b9f72f302d7a207769bf523e8a3476f0f322
Cr-Commit-Position: refs/heads/master@{#28596}

[mvstanton, 2015-05-22 11:45:39]

mvstanton@chromium.org changed reviewers:
+ titzer@chromium.org

[mvstanton, 2015-05-22 11:45:40]

Hi Ben,
Could you have a look? thx for it,
--Michael

[titzer, 2015-05-22 11:47:37]

LGTM, nice!

[mvstanton, 2015-05-22 11:48:22]

The CQ bit was checked by mvstanton@chromium.org

[commit-bot: I haz the power, 2015-05-22 11:48:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1152063003/1

[commit-bot: I haz the power, 2015-05-22 12:26:00]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-05-22 12:26:01]

Try jobs failed on following builders:
  v8_win_compile_dbg on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_compile_dbg/builds/4122)

[mvstanton, 2015-05-22 14:07:40]

The CQ bit was checked by mvstanton@chromium.org

[mvstanton, 2015-05-22 14:07:40]

The patchset sent to the CQ was uploaded after l-g-t-m from titzer@chromium.org
Link to the patchset: https://codereview.chromium.org/1152063003/#ps20001
(title: "rebase.")

[commit-bot: I haz the power, 2015-05-22 14:07:52]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1152063003/20001

[commit-bot: I haz the power, 2015-05-22 14:32:39]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-05-22 14:32:57]

Patchset 2 (id:??) landed as
https://crrev.com/c5b7b9f72f302d7a207769bf523e8a3476f0f322
Cr-Commit-Position: refs/heads/master@{#28596}