Make RawMachineAssemblerTest emitting CFG always have a dummy End block

Make RawMachineAssemblerTest emitting CFG always have a dummy End block

Frame Elider requires a sane CFG which should have such dummy end block.

BUG=

Committed: https://crrev.com/fa041c90df56476e195b6b3fe0f9e4f732c8bc7b
Cr-Commit-Position: refs/heads/master@{#28911}

[Weiliang, 2015-06-10 17:00:22]

weiliang.lin@intel.com changed reviewers:
+ danno@chromium.org, mstarzinger@chromium.org, svenpanne@chromium.org

[Weiliang, 2015-06-10 17:00:22]

PTAL

[Michael Starzinger, 2015-06-10 17:05:48]

LGTM.

[Weiliang, 2015-06-10 17:08:06]

The CQ bit was checked by weiliang.lin@intel.com

[commit-bot: I haz the power, 2015-06-10 17:08:18]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1166293004/1

[Weiliang, 2015-06-10 17:08:27]

The CQ bit was unchecked by weiliang.lin@intel.com

[Weiliang, 2015-06-10 17:09:35]

The CQ bit was checked by weiliang.lin@intel.com

[commit-bot: I haz the power, 2015-06-10 17:09:48]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1166293004/1

[commit-bot: I haz the power, 2015-06-10 17:37:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-06-10 17:37:52]

Patchset 1 (id:??) landed as
https://crrev.com/fa041c90df56476e195b6b3fe0f9e4f732c8bc7b
Cr-Commit-Position: refs/heads/master@{#28911}