Refactor SsaBuilder.visitSuperSend.

pkg/compiler/lib/src/resolution/access_semantics.dart

Index: pkg/compiler/lib/src/resolution/access_semantics.dart
diff --git a/pkg/compiler/lib/src/resolution/access_semantics.dart b/pkg/compiler/lib/src/resolution/access_semantics.dart
index 096ddd17faa36da03564fc417864655ba613ca69..ecd16c0f8d938033c3db285adce90d73c0051609 100644
--- a/pkg/compiler/lib/src/resolution/access_semantics.dart
+++ b/pkg/compiler/lib/src/resolution/access_semantics.dart
@@ -116,6 +116,9 @@ enum AccessKind {
 
   /// The destination of the access is unresolved in a static context.
   UNRESOLVED,
+
+  /// The destination of the access is unresolved super access.
+  UNRESOLVED_SUPER,
 }
 
 enum CompoundAccessKind {
@@ -294,6 +297,9 @@ class StaticAccess extends AccessSemantics {
 
   StaticAccess.unresolved(this.element)
       : super._(AccessKind.UNRESOLVED);
+
+  StaticAccess.unresolvedSuper(this.element)
+      : super._(AccessKind.UNRESOLVED_SUPER);
 }
 
 class CompoundAccessSemantics extends AccessSemantics {