Merged r20087, r20137, r20155, r20158, r20197 into 3.24 branch.

Merged r20087, r20137, r20155, r20158, r20197 into 3.24 branch.

Fix polymorphic keyed loads for SLOPPY_ARGUMENTS_ELEMENTS

Fix polymorphic hydrogen handling of SLOPPY_ARGUMENTS_ELEMENTS

Ensure that lazy deopt sequence does not override calls.

Visit return statement of inlined function in value context.

Correctly convert micro-sign to its upper case.

BUG=chromium:350867, chromium:354391, 354433, 354357, 355485
LOG=N
R=verwaest@chromium.org

Committed: https://code.google.com/p/v8/source/detail?r=20447

[Toon Verwaest, 2014-04-02 17:07:40]

lgtm

[Jakob Kummerow, 2014-04-02 17:08:54]

Committed patchset #1 manually as r20447.