Mark the simulate before EnterInlined with BailoutId::None(), and set ReturnId on EnterInlined. When merging simulates into the simulate before enter-inlined, adopt the last AST id that gets merged into it.

BUG=v8:3282
LOG=n
R=titzer@chromium.org

Review URL: https://codereview.chromium.org/257583004

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@20949 ce2b1a6d-e550-0410-aec6-3dcde31c8c00