Allow initializing a field in a superclass in a const constructor.

compiler/javatests/com/google/dart/compiler/resolver/ResolverTest.java

Index: compiler/javatests/com/google/dart/compiler/resolver/ResolverTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/resolver/ResolverTest.java b/compiler/javatests/com/google/dart/compiler/resolver/ResolverTest.java
index 9c85d71723fc9ceb46dec1620eaa12d291ef2d2b..45929ed95dffbcade837d8b3684af4d0dff99a4b 100644
--- a/compiler/javatests/com/google/dart/compiler/resolver/ResolverTest.java
+++ b/compiler/javatests/com/google/dart/compiler/resolver/ResolverTest.java
@@ -851,4 +851,49 @@ public class ResolverTest extends ResolverTestCase {
         "  }",
         "}"));
   }
+
+  public void testParameterMatchField1() {
+    resolveAndTest(Joiner.on("\n").join(
+        "class Object {}",
+        "class int {}",
+        "class A {",
+        " int a;",
+        " const A(this.a);",
+        "}"));
+  }
+
+  public void testParameterMatchField2() {
+    resolveAndTest(Joiner.on("\n").join(
+        "class Object {}",
+        "class int {}",
+        "class A {",
+        " int a;",
+        "}",
+        "class B extends A {",
+        " const B(this.a);",
+        "}"));
+  }
+
+  public void testParameterMatchField3() {
+    resolveAndTest(Joiner.on("\n").join(
+        "class Object {}",
+        "class int {}",
+        "class A {",
+        " int a;",
+        "}",
+        "class B extends A {",
+        "}",
+        "class C extends B {",
+        " const C(this.a);",
+        "}"));
+  }
+
+  public void testParameterNotMatchField() {
+    resolveAndTest(Joiner.on("\n").join(
+        "class Object {}",
+        "class A {",
+        " const A(this.a);",
+        "}"),
+        ResolverErrorCode.PARAMETER_NOT_MATCH_FIELD);
+  }
 }