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

Review URL: https://codereview.chromium.org/1432423003

Cr-Commit-Position: refs/heads/master@{#31951}