Check in codegen test expectations.

test/codegen/expect/language/mixin_mixin7_test.js

+dart_library.library('language/mixin_mixin7_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__mixin_mixin7_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const mixin_mixin7_test = Object.create(null);
+  let I = () => (I = dart.constFn(mixin_mixin7_test.I$()))();
+  let J = () => (J = dart.constFn(mixin_mixin7_test.J$()))();
+  let K = () => (K = dart.constFn(mixin_mixin7_test.K$()))();
+  let S = () => (S = dart.constFn(mixin_mixin7_test.S$()))();
+  let M = () => (M = dart.constFn(mixin_mixin7_test.M$()))();
+  let A = () => (A = dart.constFn(mixin_mixin7_test.A$()))();
+  let B = () => (B = dart.constFn(mixin_mixin7_test.B$()))();
+  let C = () => (C = dart.constFn(mixin_mixin7_test.C$()))();
+  let COfint = () => (COfint = dart.constFn(mixin_mixin7_test.C$(core.int)))();
+  let KOfint = () => (KOfint = dart.constFn(mixin_mixin7_test.K$(core.int)))();
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let SOfListOfint = () => (SOfListOfint = dart.constFn(mixin_mixin7_test.S$(ListOfint())))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  mixin_mixin7_test.I$ = dart.generic(T => {
+    class I extends core.Object {}
+    dart.addTypeTests(I);
+    return I;
+  });
+  mixin_mixin7_test.I = I();
+  mixin_mixin7_test.J$ = dart.generic(T => {
+    class J extends core.Object {}
+    dart.addTypeTests(J);
+    return J;
+  });
+  mixin_mixin7_test.J = J();
+  mixin_mixin7_test.K$ = dart.generic(T => {
+    class K extends core.Object {}
+    dart.addTypeTests(K);
+    return K;
+  });
+  mixin_mixin7_test.K = K();
+  mixin_mixin7_test.S$ = dart.generic(T => {
+    class S extends core.Object {}
+    dart.addTypeTests(S);
+    return S;
+  });
+  mixin_mixin7_test.S = S();
+  mixin_mixin7_test.M$ = dart.generic(T => {
+    class M extends core.Object {
+      m() {
+        return dart.wrapType(T);
+      }
+    }
+    dart.addTypeTests(M);
+    dart.setSignature(M, {
+      methods: () => ({m: dart.definiteFunctionType(dart.dynamic, [])})
+    });
+    return M;
+  });
+  mixin_mixin7_test.M = M();
+  mixin_mixin7_test.A$ = dart.generic((U, V) => {
+    class A extends dart.mixin(core.Object, mixin_mixin7_test.M) {}
+    return A;
+  });
+  mixin_mixin7_test.A = A();
+  mixin_mixin7_test.B$ = dart.generic(T => {
+    class B extends dart.mixin(core.Object, mixin_mixin7_test.A) {}
+    return B;
+  });
+  mixin_mixin7_test.B = B();
+  mixin_mixin7_test.C$ = dart.generic(T => {
+    class C extends dart.mixin(mixin_mixin7_test.S$(core.List$(T)), mixin_mixin7_test.B) {
+      new() {
+        super.new();
+      }
+    }
+    return C;
+  });
+  mixin_mixin7_test.C = C();
+  mixin_mixin7_test.main = function() {
+    let c = new (COfint())();
+    expect$.Expect.equals("dynamic", dart.toString(c.m()));
+    expect$.Expect.isTrue(KOfint().is(c));
+    expect$.Expect.isTrue(mixin_mixin7_test.J.is(c));
+    expect$.Expect.isTrue(mixin_mixin7_test.I.is(c));
+    expect$.Expect.isTrue(SOfListOfint().is(c));
+    expect$.Expect.isTrue(mixin_mixin7_test.A.is(c));
+    expect$.Expect.isTrue(mixin_mixin7_test.M.is(c));
+  };
+  dart.fn(mixin_mixin7_test.main, VoidTodynamic());
+  // Exports:
+  exports.mixin_mixin7_test = mixin_mixin7_test;
+});