Roll UPSTREAM_REV to bring in:
Roll UPSTREAM_REV to bring in:

http://codereview.chromium.org/8447020/ (Make explicit the registers used for storing EH return offset and address)

BUG= http://code.google.com/p/nativeclient/issues/detail?id=2411
TBR= jvoung
Review URL: http://codereview.chromium.org/8463001

git-svn-id: 721b910a23eff8a86f00c8fd261a7587cddf18f8@7106 fcba33aa-ac0c-11dd-b9e7-8d5594d729c2

sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,sbc100/native_client,nacl-webkit/native_client,nacl-webkit/native_client,sbc100/native_client,sbc100/native_client,sbc100/native_client,nacl-webkit/native_client