Fix context chaining to prevent memory leak (issue 7681).

Fix context chaining to prevent memory leak (issue 7681).
Committed: https://code.google.com/p/dart/source/detail?r=16757

[Ivan Posva, 2013-01-07 22:19:11]

LGTM -ip

https://codereview.chromium.org/11806003/diff/1/runtime/vm/parser.cc
File runtime/vm/parser.cc (right):

https://codereview.chromium.org/11806003/diff/1/runtime/vm/parser.cc#newcode191
runtime/vm/parser.cc:191: // context but saved on entry and restored on exit as
to prevent memory leaks.
Please update the bug, but do not close it as we still need to ensure the
closures which do not need chained contexts do not remember the current context
on allocation.

[regis, 2013-01-07 22:24:01]

Thanks

https://codereview.chromium.org/11806003/diff/1/runtime/vm/parser.cc
File runtime/vm/parser.cc (right):

https://codereview.chromium.org/11806003/diff/1/runtime/vm/parser.cc#newcode191
runtime/vm/parser.cc:191: // context but saved on entry and restored on exit as
to prevent memory leaks.
On 2013/01/07 22:19:11, Ivan Posva wrote:
> Please update the bug, but do not close it as we still need to ensure the
> closures which do not need chained contexts do not remember the current
context
> on allocation.

Done.