Add a few safe points for the debugger to stop
Add a few safe points for the debugger to stop

Allow the debugger to stop on assignment of a closure to
a local variable, and on a throw statement that throws
a literal.

Fixes issues 20762, 21352

R=rmacnak@google.com

Review URL: https://codereview.chromium.org//813203002

git-svn-id: c93d8a2297af3b929165606efe145742a534bc71@42516 260f80e4-7a28-3924-810f-c04153c831b5

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