Use  FAR jump in GenerateCompareFlatAsciiStrings.

BUG=325487
R=jkummerow@chromium.org
LOG=N

Review URL: https://codereview.chromium.org/106853002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18288 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Properly restore the receiver after the interceptor call.

R=dcarney@chromium.org

Review URL: https://chromiumcodereview.appspot.com/108803006

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@18289 ce2b1a6d-e550-0410-aec6-3dcde31c8c00