[GR-44282][GR-44568] Fix reachability handlers.

substratevm/src/com.oracle.graal.pointsto/src/com/oracle/graal/pointsto/meta/AnalysisMethod.java

@@ -473,19 +473,31 @@ private void processMethodOverrides() {
             declaringClass.forAllSuperTypes(superType -> {
                 /*
                  * Iterate all the super types (including this type itself) looking for installed
-                 * override notifications. If this method resolves in a super type, and it has an
+                 * override notifications. If this method is found in a super type, and it has an
                  * override handler installed in that type, pass this method to the callback. It
                  * doesn't matter if the superMethod is actually reachable, only if it has any
-                 * override handlers installed.
+                 * override handlers installed. Note that ResolvedJavaType.resolveMethod() cannot be
+                 * used here because it only resolves methods declared by the type itself or if the
+                 * method's declaring class is assignable from the type.
                  */
-                AnalysisMethod superMethod = resolveInType(superType);
+                AnalysisMethod superMethod = findInType(superType);
                 if (superMethod != null) {
                     superMethod.notifyMethodOverride(AnalysisMethod.this);
                 }
             });
         }
     }
 
+    /** Find if the type declares a method with the same name and signature as this method. */
+    private AnalysisMethod findInType(AnalysisType type) {
+        try {
+            return type.findMethod(wrapped.getName(), getSignature());
+        } catch (UnsupportedFeatureException | LinkageError e) {
+            /* Ignore linking errors and deleted methods. */
+            return null;
+        }
+    }
+
     protected void notifyMethodOverride(AnalysisMethod override) {
         declaringClass.getOverrideReachabilityNotifications(this).forEach(n -> n.notifyCallback(getUniverse(), override));
     }

substratevm/src/com.oracle.graal.pointsto/src/com/oracle/graal/pointsto/meta/AnalysisType.java

@@ -654,6 +654,9 @@ protected void forAllSuperTypes(Consumer<AnalysisType> superTypeConsumer, boolea
         if (dimension > 0 && !elementalType.isPrimitive() && !elementalType.isJavaLangObject()) {
             forAllSuperTypes(universe.objectType(), dimension, true, superTypeConsumer);
         }
+        if (this.isInterface()) {
+            superTypeConsumer.accept(universe.objectType());
+        }
     }
 
     private static void forAllSuperTypes(AnalysisType elementType, int arrayDimension, boolean processType, Consumer<AnalysisType> superTypeConsumer) {