Fix allocation of indices for try-blocks.

Fix allocation of indices for try-blocks.

The compiler has the assumptions that try-index starts
at zero for each function: The list of exception handlers
is a dense array indexed using the try-index.

BUG=https://code.google.com/p/dart/issues/detail?id=12615
TEST=tests/language/regress_12615_test.dart
R=srdjan@google.com

Committed: https://code.google.com/p/dart/source/detail?r=26585

[srdjan, 2013-08-22 16:12:01]

lgtm

https://codereview.chromium.org/22909032/diff/1/tests/language/regress_12615_...
File tests/language/regress_12615_test.dart (right):

https://codereview.chromium.org/22909032/diff/1/tests/language/regress_12615_...
tests/language/regress_12615_test.dart:3: // BSD-style license that can be found
in the LICENSE file.
Please add comment what this test is testing. I assume it is not crashing as the
method name suggests.

[Florian Schneider, 2013-08-23 08:49:12]

Committed patchset #1 manually as r26585 (presubmit successful).

[Florian Schneider, 2013-08-23 08:49:33]

https://codereview.chromium.org/22909032/diff/1/tests/language/regress_12615_...
File tests/language/regress_12615_test.dart (right):

https://codereview.chromium.org/22909032/diff/1/tests/language/regress_12615_...
tests/language/regress_12615_test.dart:3: // BSD-style license that can be found
in the LICENSE file.
On 2013/08/22 16:12:01, srdjan wrote:
> Please add comment what this test is testing. I assume it is not crashing as
the
> method name suggests.

Renaming it to test(). Not sure what to add as a comment: It tests that
try-catch works properly. - I don't want to elaborate over implementation
details here which can be found in the issue# and this CL.