Change type interface target of SuperMethodInvocation to Procedure

pkg/kernel/lib/ast.dart

Index: pkg/kernel/lib/ast.dart
diff --git a/pkg/kernel/lib/ast.dart b/pkg/kernel/lib/ast.dart
index f35e754d4d1c5238c2e6257267b16a26fcf38ddb..e3f56f9aa0de905c160aa09924eb2ab0c4770eee 100644
--- a/pkg/kernel/lib/ast.dart
+++ b/pkg/kernel/lib/ast.dart
@@ -1830,7 +1830,7 @@ class SuperMethodInvocation extends InvocationExpression {
   Name name;
   Arguments arguments;
 
-  Member interfaceTarget;
+  Procedure interfaceTarget;
 
   SuperMethodInvocation(this.name, this.arguments, this.interfaceTarget) {
     arguments?.parent = this;