Only copy with, block and catch scopes in DebugEvaluate.

R=ulan@chromium.org
BUG=171715

Review URL: https://chromiumcodereview.appspot.com/13093003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14077 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Add test case for missing deopt sequence after forced deopt.

R=danno@chromium.org
BUG=217858

Review URL: https://chromiumcodereview.appspot.com/13042005

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14078 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Make Isolate::GetHeapStatistics robust against half-initialized isolates.

The (deprecated) non-Isolate GetHeapStatistics contains the same check.

BUG=2591

Review URL: https://codereview.chromium.org/12965013
Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@14079 ce2b1a6d-e550-0410-aec6-3dcde31c8c00