fixes #314, super method tear offs

test/codegen/language/super_bound_closure_test.dart

+// Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+import "package:expect/expect.dart";
+
+class A {
+  bar([var optional = 1]) => 498 + optional;
+  bar2({ namedOptional: 2 }) => 40 + namedOptional;
+  bar3(x, [var optional = 3]) => x + 498 + optional;
+  bar4(x, { namedOptional: 4 }) => 422 + x + namedOptional;
+
+  // Gee is the same as bar, but we make sure that gee is used. Potentially
+  // this yields different code if the redirecting stub exists.
+  gee([var optional = 1]) => 498 + optional;
+  gee2({ namedOptional: 2 }) => 40 + namedOptional;
+  gee3(x, [var optional = 3]) => x + 498 + optional;
+  gee4(x, { namedOptional: 4 }) => 422 + x + namedOptional;
+
+  // Use identifiers that could be intercepted.
+  add([var optional = 33]) => 1234 + optional;
+  trim({ namedOptional: 22 }) => 1313 + namedOptional;
+  sublist(x, [optional = 44]) => 4321 + optional + x;
+  splitMapJoin(x, { onMatch: 55, onNonMatch: 66}) =>
+      111 + x + onMatch + onNonMatch;
+
+  // Other interceptable identifiers, but all of them are used.
+  shuffle([var optional = 121]) => 12342 + optional;
+  toList({ growable: 2233 }) => 13131 + growable;
+  lastIndexOf(x, [optional = 424]) => 14321 + optional + x;
+  lastWhere(x, { orElse: 555 }) => x + 1213 + 555;
+}
+
+class B extends A {
+  // The closure `super.bar` is invoked without the optional argument.
+  // Dart2js must not generate a `bar$0 => bar$1(null)` closure, since that
+  // would redirect to B's `bar$1`. Instead it must enforce that `bar$0` in
+  // `A` redirects to A's bar$1.
+  foo() => confuse(super.bar)();
+  foo2() => confuse(super.bar)(2);
+  foo3() => confuse(super.bar2)();
+  foo4() => confuse(super.bar2)(namedOptional: 77);
+  foo5() => confuse(super.bar3)(-3);
+  foo6() => confuse(super.bar3)(-11, -19);
+  foo7() => confuse(super.bar4)(0);
+  foo8() => confuse(super.bar4)(3, namedOptional: 77);
+
+  fooGee() => confuse(super.gee)();
+  fooGee2() => confuse(super.gee)(2);
+  fooGee3() => confuse(super.gee2)();
+  fooGee4() => confuse(super.gee2)(namedOptional: 77);
+  fooGee5() => confuse(super.gee3)(-3);
+  fooGee6() => confuse(super.gee3)(-11, -19);
+  fooGee7() => confuse(super.gee4)(0);
+  fooGee8() => confuse(super.gee4)(3, namedOptional: 77);
+
+  fooIntercept() => confuse(super.add)();
+  fooIntercept2() => confuse(super.add)(2);
+  fooIntercept3() => confuse(super.trim)();
+  fooIntercept4() => confuse(super.trim)(namedOptional: 77);
+  fooIntercept5() => confuse(super.sublist)(-3);
+  fooIntercept6() => confuse(super.sublist)(-11, -19);
+  fooIntercept7() => confuse(super.splitMapJoin)(0);
+  fooIntercept8() => confuse(super.splitMapJoin)(3, onMatch: 77, onNonMatch: 8);
+
+  fooIntercept21() => confuse(super.shuffle)();
+  fooIntercept22() => confuse(super.shuffle)(2);
+  fooIntercept23() => confuse(super.toList)();
+  fooIntercept24() => confuse(super.toList)(growable: 77);
+  fooIntercept25() => confuse(super.lastIndexOf)(-3);
+  fooIntercept26() => confuse(super.lastIndexOf)(-11, -19);
+  fooIntercept27() => confuse(super.lastWhere)(0);
+  fooIntercept28() => confuse(super.lastWhere)(3, orElse: 77);
+
+  bar([var optional]) => -1;        /// 01: static type warning
+  bar2({ namedOptional }) => -1;    /// 01: continued
+  bar3(x, [var optional]) => -1;    /// 01: continued
+  bar4(x, { namedOptional }) => -1; /// 01: continued
+
+  gee([var optional]) => -1;        /// 01: continued
+  gee2({ namedOptional }) => -1;    /// 01: continued
+  gee3(x, [var optional]) => -1;    /// 01: continued
+  gee4(x, { namedOptional }) => -1; /// 01: continued
+
+  add([var optional = 33]) => -1;
+  trim({ namedOptional: 22 }) => -1;
+  sublist(x, [optional = 44]) => -1;
+  splitMapJoin(x, { onMatch: 55, onNonMatch: 66}) => -1;
+
+  shuffle([var optional = 121]) => -1;
+  toList({ growable: 2233 }) => -1;
+  lastIndexOf(x, [optional = 424]) => -1;
+  lastWhere(x, { orElse: 555 }) => -1;
+}
+
+confuse(x) {
+  if (new DateTime.now().millisecondsSinceEpoch == 42) return confuse(x - 1);
+  return x;
+}
+
+main() {
+  var list = [new A(), new B(), [], "foo" ];
+  var a = list[confuse(0)];
+  var b = list[confuse(1)];
+  var ignored = list[confuse(2)];
+  var ignored2 = list[confuse(3)];
+
+  var t = b.gee() + b.gee2() + b.gee3(9) + b.gee4(19);
+  Expect.equals(-4, t); /// 01: continued
+  t = b.shuffle() + b.toList() + b.lastIndexOf(1) + b.lastWhere(2);
+  Expect.equals(-4, t);
+
+  Expect.equals(499, b.foo());  /// 01: continued
+  Expect.equals(500, b.foo2()); /// 01: continued
+  Expect.equals(42, b.foo3());  /// 01: continued
+  Expect.equals(117, b.foo4()); /// 01: continued
+  Expect.equals(498, b.foo5()); /// 01: continued
+  Expect.equals(468, b.foo6()); /// 01: continued
+  Expect.equals(426, b.foo7()); /// 01: continued
+  Expect.equals(502, b.foo8()); /// 01: continued
+
+  Expect.equals(499, b.fooGee());  /// 01: continued
+  Expect.equals(500, b.fooGee2()); /// 01: continued
+  Expect.equals(42, b.fooGee3());  /// 01: continued
+  Expect.equals(117, b.fooGee4()); /// 01: continued
+  Expect.equals(498, b.fooGee5()); /// 01: continued
+  Expect.equals(468, b.fooGee6()); /// 01: continued
+  Expect.equals(426, b.fooGee7()); /// 01: continued
+  Expect.equals(502, b.fooGee8()); /// 01: continued
+
+  Expect.equals(1267, b.fooIntercept());
+  Expect.equals(1236, b.fooIntercept2());
+  Expect.equals(1335, b.fooIntercept3());
+  Expect.equals(1390, b.fooIntercept4());
+  Expect.equals(4362, b.fooIntercept5());
+  Expect.equals(4291, b.fooIntercept6());
+  Expect.equals(232, b.fooIntercept7());
+  Expect.equals(199, b.fooIntercept8());
+
+  Expect.equals(12463, b.fooIntercept21());
+  Expect.equals(12344, b.fooIntercept22());
+  Expect.equals(15364, b.fooIntercept23());
+  Expect.equals(13208, b.fooIntercept24());
+  Expect.equals(14742, b.fooIntercept25());
+  Expect.equals(14291, b.fooIntercept26());
+  Expect.equals(1768, b.fooIntercept27());
+  Expect.equals(1771, b.fooIntercept28());
+}