Fix constant evaluation in the presence of nonexistent fields.

Fix constant evaluation in the presence of nonexistent fields.

R=brianwilkerson@google.com

Committed: https://code.google.com/p/dart/source/detail?r=41082

[Paul Berry, 2014-10-13 20:33:20]

paulberry@google.com changed reviewers:
+ brianwilkerson@google.com

[Brian Wilkerson, 2014-10-13 20:54:56]

LGTM

https://codereview.chromium.org/652833002/diff/1/tests/language/compile_time_...
File tests/language/compile_time_constant13_test.dart (right):

https://codereview.chromium.org/652833002/diff/1/tests/language/compile_time_...
tests/language/compile_time_constant13_test.dart:13: : x = 'foo'  /// 01:
continued
Why not just combine all these cases, given that they are all the same:

  const A() : x = 'foo';

[Paul Berry, 2014-10-13 21:04:34]

https://codereview.chromium.org/652833002/diff/1/tests/language/compile_time_...
File tests/language/compile_time_constant13_test.dart (right):

https://codereview.chromium.org/652833002/diff/1/tests/language/compile_time_...
tests/language/compile_time_constant13_test.dart:13: : x = 'foo'  /// 01:
continued
On 2014/10/13 20:54:56, Brian Wilkerson wrote:
> Why not just combine all these cases, given that they are all the same:
> 
>   const A() : x = 'foo';

Unfortunately, that doesn't work, since the tests are also run in a "none"
configuration, where none of the lines containing "///" are included, and that
test is expected to pass.

[Paul Berry, 2014-10-13 21:07:07]

Committed patchset #1 (id:1) manually as 41082 (presubmit successful).