"is" fails for static, prefixed library method.

[jtmcdole]

Code that fails:
  var z = prefix.B.staticGetKeys;
  Expect.isTrue(z is prefix.ReturnCollection<String>);
  Expect.isTrue(z is !prefix.ReturnCollection<int>);
  Expect.isTrue(z is GetKeysFunctionType<String>);
  Expect.isTrue(z is !GetKeysFunctionType<int>);

Application includes / typedefs that mater:

import("MethodOverrideTest_lib.dart", prefix : "prefix");

typedef Collection<K> GetKeysFunctionType<K>();

The other library has:
  typedef ReturnDynamic<K>();
  class B {
    static Collection<int> staticGetKeys() {
      return new Collection<int>();
    }
  }

Output:

An unhandled exception has been thrown
Expect.isTrue(false) fails.
 0. Function: 'Expect._fail@127eafe4' url: 'bootstrap' line:819 col:5
 1. Function: 'Expect.isTrue' url: 'bootstrap' line:593 col:10
 2. Function: 'main' url: '/usr/local/google/users/codefu/src/dart/tmp/MethodOverrideTest.dart' line:67 col:16

[iposva-google]

When filing bugs please attach or include the reduced testcase.

[jtmcdole]

This is actually invalid. The type parameters were reversed in this case.

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Added Invalid label.