[CFE] Fix crash when trying to add NSM forwarder for a field

alexmarkov · alexmarkov · commit 48644d5f6aed · 2018-03-22T22:15:48.000Z
Change-Id: Icbd1271285d6c8c714c2e4de5f531d4357c04c13 Reviewed-on: https://dart-review.googlesource.com/48021 Reviewed-by: Samir Jindel <sjindel@google.com>
diff --git a/pkg/front_end/lib/src/fasta/kernel/kernel_class_builder.dart b/pkg/front_end/lib/src/fasta/kernel/kernel_class_builder.dart
@@ -342,11 +342,11 @@ abstract class KernelClassBuilder
     List<Member> concrete = hierarchy.getDispatchTargets(cls);
     List<Member> declared = hierarchy.getDeclaredMembers(cls);
     for (Member member in hierarchy.getInterfaceMembers(cls)) {
-      if (ClassHierarchy.findMemberByName(concrete, member.name) == null &&
+      if ((member is Procedure) &&
+          ClassHierarchy.findMemberByName(concrete, member.name) == null &&
           !existingForwardersNames.contains(member.name)) {
         if (ClassHierarchy.findMemberByName(declared, member.name) != null) {
-          Procedure procedure = member;
-          procedure.isNoSuchMethodForwarder = true;
+          member.isNoSuchMethodForwarder = true;
         } else {
           addNoSuchMethodForwarderForProcedure(member, hierarchy);
         }
