Fix ~ operator in asm typer, add more operator tests.

Fix ~ operator in asm typer, add more operator tests.

The ~ operator is de-sugared into true^x, which was
being improperly handled.

Adding tests of most bitwise operators and several error cases.

BUG= https://code.google.com/p/v8/issues/detail?id=4203
TEST=test-asm-validator
R=titzer@chromium.org,aseemgarg@chromium.org
LOG=N

Committed: https://crrev.com/ab1165fb1af936306d238d082815895f91faed97
Cr-Commit-Position: refs/heads/master@{#31951}

[titzer, 2015-11-11 22:09:39]

lgtm

[bradn, 2015-11-11 22:13:00]

The CQ bit was checked by bradnelson@google.com

[commit-bot: I haz the power, 2015-11-11 22:13:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1432423003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1432423003/1

[bradn, 2015-11-11 22:14:52]

The CQ bit was unchecked by bradnelson@google.com

[bradn, 2015-11-11 22:16:04]

The CQ bit was checked by bradnelson@google.com

[bradn, 2015-11-11 22:16:04]

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/1432423003/#ps20001
(title: "fix gcc")

[commit-bot: I haz the power, 2015-11-11 22:16:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1432423003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1432423003/20001

[commit-bot: I haz the power, 2015-11-11 22:34:17]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-11-14 23:20:22]

Patchset 2 (id:??) landed as
https://crrev.com/ab1165fb1af936306d238d082815895f91faed97
Cr-Commit-Position: refs/heads/master@{#31951}