tree 2f7a6a13a80adfa2b552bf3e3f76919ac4c9ee0a
parent 6f51d7756a9c66007fe7666b19399e1f60ff6092
author Aart Bik <ajcbik@google.com> 1459284893 -0700
committer Aart Bik <ajcbik@google.com> 1459361445 -0700

Fix arm64 simplifier bug that tries to remove same statement twice.
With fail-before/pass-after test (on arm64).

Rationale:
This visitor removes statement "forward", which is a bit unusual, and
exposes a bug if statement is revisited and qualifies for removal again.

BUG=27851582

Change-Id: Ia8cddba32b4dfe9fd480852deb358eaa977f0e1f