Reland "Handlify concat string and substring."
authoryangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Mon, 23 Dec 2013 12:37:56 +0000 (12:37 +0000)
committeryangguo@chromium.org <yangguo@chromium.org@ce2b1a6d-e550-0410-aec6-3dcde31c8c00>
Mon, 23 Dec 2013 12:37:56 +0000 (12:37 +0000)
commitf7929d2a871c5c0536a90ecd05dd9f1e2ed545fa
treef0f05e53a1f8a281511864d834525c685faa0a3f
parent8c10fc6aee5b36a6761338f4f93ccfa71690abe3
Reland "Handlify concat string and substring."

This relands commit r17490.

BUG=
R=ulan@chromium.org

Review URL: https://codereview.chromium.org/114943004

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@18408 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
src/factory.cc
src/factory.h
src/handles.cc
src/handles.h
src/heap.cc
src/heap.h
src/objects.cc
src/objects.h
src/runtime.cc
test/cctest/test-api.cc
test/mjsunit/string-slices.js