Improve constructor inlining backout.
Improve constructor inlining backout.

This improves the generated hydrogen graph by also removing the obsolete
HCheckFunction instruction if we backout of inlining constructors.

R=danno@chromium.org

Review URL: https://chromiumcodereview.appspot.com/9537004

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@10884 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh