Convert generic method errors to hints

pkg/analyzer/lib/src/generated/element_resolver.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.
 
 library analyzer.src.generated.element_resolver;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/syntactic_entity.dart';
@@ skipping 1559 matching lines @@
    * Check for a generic method & apply type arguments if any were passed.
    */
   DartType _instantiateGenericMethod(
       DartType invokeType, TypeArgumentList typeArguments, AstNode node) {
     // TODO(jmesserly): support generic "call" methods on InterfaceType.
     if (invokeType is FunctionType) {
       List<TypeParameterElement> parameters = invokeType.typeFormals;
 
       NodeList<TypeName> arguments = typeArguments?.arguments;
       if (arguments != null && arguments.length != parameters.length) {
-        _resolver.errorReporter.reportErrorForNode(
-            StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS,
-            node,
-            [invokeType, parameters.length, arguments?.length ?? 0]);
-
+        if (_resolver.strongMode) {
+          _resolver.errorReporter.reportErrorForNode(
+              StaticTypeWarningCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS_METHOD,
+              node,
+              [invokeType, parameters.length, arguments?.length ?? 0]);
+        } else {
+          _resolver.errorReporter.reportErrorForNode(
+              HintCode.WRONG_NUMBER_OF_TYPE_ARGUMENTS_METHOD,
+              node,
+              [invokeType, parameters.length, arguments?.length ?? 0]);
+        }
         // Wrong number of type arguments. Ignore them.
         arguments = null;
       }
       if (parameters.isNotEmpty) {
         if (arguments == null) {
           return _resolver.typeSystem.instantiateToBounds(invokeType);
         } else {
           return invokeType.instantiate(arguments.map((n) => n.type).toList());
         }
       }
@@ skipping 1044 matching lines @@
 
   @override
   Element get staticElement => null;
 
   @override
   dynamic/*=E*/ accept/*<E>*/(AstVisitor/*<E>*/ visitor) => null;
 
   @override
   void visitChildren(AstVisitor visitor) {}
 }