tree 45d3adb01123d2c39821c80bbb2cc207f5801f9c
parent 0b2c1922cc29a7939f747f60d80240a9fb22547c
author Aart Bik <ajcbik@google.com> 1457989886 -0700
committer Aart Bik <ajcbik@google.com> 1457996330 -0700

Fixed bug in BCE, with regression test.

The fix is twofold:
(1) Ensure that bound checks are never eliminated more than once
    to guard against any conceivable situation in which the same
    bounds check appears multiple times in array length use list.
(2) Specially reject BoundsCheck(x,x) since that always goes OOB.

BUG=27628526

Change-Id: I399ec4254323e0cfcd0a68898f403cfab7b35135