Issue 988: Compile time error missing for const class / non-final instance variables

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

Index: compiler/javatests/com/google/dart/compiler/resolver/NegativeResolverTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/resolver/NegativeResolverTest.java b/compiler/javatests/com/google/dart/compiler/resolver/NegativeResolverTest.java
index 8ff0774f66f750bd379ed55d6dc33e2e6aa80d1d..6ac64c57d15d05a49e7539949983ab589bfabb18 100644
--- a/compiler/javatests/com/google/dart/compiler/resolver/NegativeResolverTest.java
+++ b/compiler/javatests/com/google/dart/compiler/resolver/NegativeResolverTest.java
@@ -886,7 +886,7 @@ public class NegativeResolverTest extends CompilerTestCase {
             "class A {",
             "  const A(x) : this.foo(x);",
             "  A.foo(this.x) { }",
-            "  var x;",
+            "  final x;",
             "}"),
         errEx(ResolverErrorCode.CONST_CONSTRUCTOR_MUST_CALL_CONST_SUPER, 3, 3, 25));
   }
@@ -895,6 +895,26 @@ public class NegativeResolverTest extends CompilerTestCase {
     checkNumErrors("RawTypesNegativeTest.dart", 6);
   }
 
+  public void testConstConstructorNonFinalFieldsNegativeTest() {
+    checkSourceErrors(
+        makeCode(
+            "class A extends B {",
+            "  const A();",
+            "  var x;",
+            "  final y = 10;",
+            "  set z(value) {}",
+            "}",
+            "class B implements C {",
+            "  final bar;",
+            "  var baz;",
+            "}",
+            "interface C {",
+            "  var x;",
+            "}"),
+        errEx(ResolverErrorCode.CONST_CLASS_WITH_NONFINAL_FIELDS, 3, 7, 1),
+        errEx(ResolverErrorCode.CONST_CLASS_WITH_INHERITED_NONFINAL_FIELDS, 9, 7, 3));
+  }
+
   private TestCompilerContext getContext() {
     return new TestCompilerContext() {
       @Override