Don't generate invocation mirror code if all noSuchMethods forward to

Don't generate invocation mirror code if all noSuchMethods forward to
Object.noSuchMethod

BUG=
R=johnniwinther@google.com

Committed: https://code.google.com/p/dart/source/detail?r=44606

[Harry Terkelsen, 2015-03-19 17:27:27]

het@google.com changed reviewers:
+ floitsch@google.com, johnniwinther@google.com, sra@google.com

[Harry Terkelsen, 2015-03-19 17:27:28]

The tests were failing because I failed to account for the case of
`noSuchMethod(x, [y])` which is signature-compatible with Object.noSuchMethod
but calling arguments.single will cause a failure.

[Johnni Winther, 2015-03-20 14:08:55]

lgtm

https://codereview.chromium.org/1020853004/diff/1/tests/compiler/dart2js/no_s...
File tests/compiler/dart2js/no_such_method_enabled_test.dart (right):

https://codereview.chromium.org/1020853004/diff/1/tests/compiler/dart2js/no_s...
tests/compiler/dart2js/no_such_method_enabled_test.dart:190: }
Add a test for 

class A {
  noSuchMethod(x, y) => super.noSuchMethod(x);
}

[Harry Terkelsen, 2015-03-20 18:18:04]

https://codereview.chromium.org/1020853004/diff/1/tests/compiler/dart2js/no_s...
File tests/compiler/dart2js/no_such_method_enabled_test.dart (right):

https://codereview.chromium.org/1020853004/diff/1/tests/compiler/dart2js/no_s...
tests/compiler/dart2js/no_such_method_enabled_test.dart:190: }
On 2015/03/20 14:08:55, Johnni Winther wrote:
> Add a test for 
> 
> class A {
>   noSuchMethod(x, y) => super.noSuchMethod(x);
> }

Done.

[Harry Terkelsen, 2015-03-20 18:19:13]

Committed patchset #2 (id:20001) manually as 44606 (presubmit successful).