Port 44c44521

Original commit message:
    This fixes receiver conversion since the Call builtin does it correctly.

R=verwaest@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, dstence@us.ibm.com
BUG=v8:4526
LOG=n

Review URL: https://codereview.chromium.org/1423973006

Cr-Commit-Position: refs/heads/master@{#31901}