fix #25409, error if a generic method argument did not have a corresponding parameter

pkg/analyzer/test/src/task/strong/checker_test.dart

Index: pkg/analyzer/test/src/task/strong/checker_test.dart
diff --git a/pkg/analyzer/test/src/task/strong/checker_test.dart b/pkg/analyzer/test/src/task/strong/checker_test.dart
index 46d99db78ac57da85a0d7f6e547a964c795ca233..94558853e3729889f583ac64087816829c356e20 100644
--- a/pkg/analyzer/test/src/task/strong/checker_test.dart
+++ b/pkg/analyzer/test/src/task/strong/checker_test.dart
@@ -1389,7 +1389,19 @@ void main() {
           class DerivedFuture4<A> extends Future<A> {
             /*=B*/ then/*<B>*/(Object onValue(A a)) => null;
           }
-       '''
+      '''
+  });
+
+  testChecker('generic function wrong number of arguments', {
+      '/main.dart': r'''
+          /*=T*/ foo/*<T>*/(/*=T*/ x) => x;
+          main() {
+            // resolving thses shouldn't crash.
+            foo(1, 2);
+            String x = foo('1', '2');
+            String x = /*severe:STATIC_TYPE_ERROR*/foo(1, 2);

[Leaf, 2016/01/13 00:43:10]

Also add a call with too few arguments, and maybe an extra named argument or
missing named argument?

[Jennifer Messerly, 2016/01/13 19:10:36]

Good idea. Added.

+          }
+      '''
   });
 
   testChecker('unary operators', {