Fix cctest/test-run-properties/TypedArrayLoad.

Fix cctest/test-run-properties/TypedArrayLoad.

Note: The test failure was unrelated to the fact that it run on actual
ARM hardware, but it was failing because the test relied on undefined
and implementation defined behaviour of the C++ compiler.

TBR=mstarzinger@chromium.org
TEST=cctest

Committed: https://code.google.com/p/v8/source/detail?r=23507

[Benedikt Meurer, 2014-08-29 05:38:04]

Committed patchset #1 manually as 23507 (presubmit successful).