[GR-59948] Backport to 24.1: Use a safe cast when retrieving the storage in array-based static objects.

PullRequest: graal/19398

Author: OracleLabsAutomation

truffle/src/com.oracle.truffle.api.staticobject/src/com/oracle/truffle/api/staticobject/ArrayBasedStaticShape.java

@@ -111,7 +111,7 @@ static <T> ArrayBasedStaticShape<T> create(ArrayBasedShapeGenerator<?> generator
     @Override
     @SuppressWarnings("cast")
     Object getStorage(Object obj, boolean primitive) {
-        Object receiverObject = cast(obj, storageClass, false);
+        Object receiverObject = checkedCast(obj, storageClass);
         if (safetyChecks) {
             checkShape(receiverObject);
         } else {

truffle/src/com.oracle.truffle.api.staticobject/src/com/oracle/truffle/api/staticobject/StaticShape.java

@@ -175,7 +175,7 @@ final <U> U cast(Object obj, Class<U> type, boolean checkCondition) {
         }
     }
 
-    private static <U> U checkedCast(Object obj, Class<U> type) {
+    static <U> U checkedCast(Object obj, Class<U> type) {
         try {
             return type.cast(obj);
         } catch (ClassCastException e) {