If the file test.js contains:

  function f() { debugger; }
  f()

Then running

  $ d8 --debugger test.js

will now hit the breakpoint in f which it would not before.

R=yangguo@chromium.org

BUG=
TEST=

Review URL: http://codereview.chromium.org//7981023

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9366 ce2b1a6d-e550-0410-aec6-3dcde31c8c00