[compiler] Emit source position also for the control input

[compiler] Emit source position also for the control input

Before, source position information was only emitted for nodes
contained in a block, which excluded calls that terminate a block.

R=mstarzinger@chromium.org, titzer@chromium.org

Review-Url: https://codereview.chromium.org/2586123003
Cr-Commit-Position: refs/heads/master@{#41847}
Committed: https://chromium.googlesource.com/v8/v8/+/3bede2f79d325dadfd4fabe950feaf4122ede339

[Clemens Hammacher, 2016-12-19 18:59:38]

The CQ bit was checked by clemensh@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-19 18:59:47]

Dry run: 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, 2016-12-19 19:26:24]

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

[commit-bot: I haz the power, 2016-12-19 19:26:25]

Dry run: This issue passed the CQ dry run.

[titzer, 2016-12-19 20:41:53]

lgtm, is it possible to write a test for this?

[Clemens Hammacher, 2016-12-20 09:55:49]

On 2016/12/19 at 20:41:53, titzer wrote:
> lgtm, is it possible to write a test for this?

It's difficult. If we land my CL which changes the way we patch call sites in
wasm code (not uploaded yet), we will notice immediately if a source position is
missing.

[Clemens Hammacher, 2016-12-20 10:18:23]

The CQ bit was checked by clemensh@chromium.org

[commit-bot: I haz the power, 2016-12-20 10:18:28]

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, 2016-12-20 10:20:05]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482229103613490, "parent_rev":
"faf80b4ec0b5a901eecd77b7b356f2b0fe2ca4f7", "commit_rev":
"3bede2f79d325dadfd4fabe950feaf4122ede339"}

[commit-bot: I haz the power, 2016-12-20 10:20:08]

Description was changed from

==========
[compiler] Emit source position also for the control input

Before, source position information was only emitted for nodes
contained in a block, which excluded calls that terminate a block.

R=mstarzinger@chromium.org, titzer@chromium.org
==========

to

==========
[compiler] Emit source position also for the control input

Before, source position information was only emitted for nodes
contained in a block, which excluded calls that terminate a block.

R=mstarzinger@chromium.org, titzer@chromium.org

Review-Url: https://codereview.chromium.org/2586123003
Cr-Commit-Position: refs/heads/master@{#41847}
Committed:
https://chromium.googlesource.com/v8/v8/+/3bede2f79d325dadfd4fabe950feaf4122e...
==========

[commit-bot: I haz the power, 2016-12-20 10:20:09]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/3bede2f79d325dadfd4fabe950feaf4122e...