Better fix for LiteralCompareTypeof

Better fix for LiteralCompareTypeof

This reverts r15725 and replaces it with the following one-liner
in hydrogen.cc's HandleLiteralCompareTypeof:

-  CHECK_ALIVE(VisitForValue(sub_expr));
+  CHECK_ALIVE(VisitForTypeOf(sub_expr));

R=danno@chromium.org

Committed: http://code.google.com/p/v8/source/detail?r=15728

[Jakob Kummerow, 2013-07-17 15:19:28]

As discussed.

[danno, 2013-07-17 15:40:07]

lgtm

[Jakob Kummerow, 2013-07-17 15:59:06]

Committed patchset #1 manually as r15728 (presubmit successful).