Issue 3309. Report only single error when attempt to use function in place of type

compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerCompilerTest.java

Index: compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerCompilerTest.java
diff --git a/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerCompilerTest.java b/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerCompilerTest.java
index cf8a7f420f41b19fe9c05ec7f6c3efcc766268bb..55fc81cef88642b9e423c35c5d64a4e1b7e51bb9 100644
--- a/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerCompilerTest.java
+++ b/compiler/javatests/com/google/dart/compiler/type/TypeAnalyzerCompilerTest.java
@@ -582,6 +582,22 @@ public class TypeAnalyzerCompilerTest extends CompilerTestCase {
   }
 
   /**
+   * When we attempt to use function as type, we should report only one error.
+   * <p>
+   * http://code.google.com/p/dart/issues/detail?id=3309
+   */
+  public void test_useFunctionAsType() throws Exception {
+    AnalyzeLibraryResult libraryResult = analyzeLibrary(
+        "// filler filler filler filler filler filler filler filler filler filler",
+        "func() {}",
+        "main() {",
+        "  new func();",
+        "}",
+        "");
+    assertErrors(libraryResult.getErrors(), errEx(ResolverErrorCode.NOT_A_TYPE, 4, 7, 4));
+  }
+
+  /**
    * There was problem that {@link DartForInStatement} visits "iterable" two times. At first time we
    * set {@link MethodElement}, because we resolve it to getter. However because of this at second
    * time we can not resolve. Solution - don't try to resolve second time, we already done at first