Record method invocation targets that are not procedures.

pkg/front_end/lib/src/fasta/kernel/fasta_accessors.dart

 // Copyright (c) 2016, 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 fasta.fasta_accessors;
 
 import 'package:front_end/src/fasta/kernel/kernel_shadow_ast.dart'
     show KernelArguments, KernelThisExpression;
 
 import 'package:front_end/src/fasta/kernel/utils.dart' show offsetForToken;
@@ skipping 298 matching lines @@
       return buildConstructorInitializer(
           offsetForToken(send.token), send.name, send.arguments);
     }
     if (send is SendAccessor) {
       // Notice that 'this' or 'super' can't be null. So we can ignore the
       // value of [isNullAware].
       MethodInvocation result = helper.buildMethodInvocation(
           new KernelThisExpression(),
           send.name,
           send.arguments,
-          offsetForToken(token));
+          offsetForToken(send.token));

[ahe, 2017/06/06 19:13:59]

I saw some messages earlier today that had the wrong offset. I think you may
have fixed those. Great :-)

       return isSuper ? helper.toSuperMethodInvocation(result) : result;
     } else {
       if (isSuper) {
         Member getter = helper.lookupSuperMember(send.name);
         Member setter = helper.lookupSuperMember(send.name, isSetter: true);
         return new SuperPropertyAccessor(
             helper, send.token, send.name, getter, setter);
       } else {
         return new ThisPropertyAccessor(
             helper, send.token, send.name, null, null);
@@ skipping 600 matching lines @@
       {bool isGetter: false, bool isSetter: false, int offset}) {
     return helper.throwNoSuchMethodError(
         plainNameForRead, arguments, offset ?? offsetForToken(this.token),
         isGetter: isGetter, isSetter: isSetter);
   }
 }
 
 bool isFieldOrGetter(Member member) {
   return member is Field || (member is Procedure && member.isGetter);
 }