Java Dart compiler Token.asBinaryOperator() is broken

[DartBot]

This issue was originally filed by remi.for...@gmail.com

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com.google.dart.compiler.parser.Token.asBinaryOperator()
doesn't work because the code supposes that assignment token
and binary operator token are declared in the same order
but ASSIGN_MOD/ASSIGN_TRUNC and MOD/TRUNC are not.

cheers,
Rémi

[sethladd]

Added Area-Analyzer, Triaged labels.

[bwilkerson]

Added this to the Later milestone.

[bwilkerson]

Removed this from the Later milestone.
Added this to the M3 milestone.

[bwilkerson]

Removed this from the M3 milestone.
Added this to the M4 milestone.

[bwilkerson]

dartc has been deprecated in favor of the analysis engine.

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Added Fixed label.

[clayberg]

Removed this from the M4 milestone.
Added this to the M5 milestone.