Fix using wrong size when deallocating object native sequence storage

Author: msimacek

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/common/SequenceStorageNodes.java

@@ -3119,7 +3119,8 @@ private static NativeSequenceStorage reallocNativeSequenceStorage(NativeSequence
                 if (lib.isNull(ptr)) {
                     throw raiseNode.get(inliningTarget).raise(MemoryError);
                 }
-                s.setPtrAndSize(ptr, newCapacity);
+                s.setPtr(ptr);
+                s.setCapacity(newCapacity);
             }
             return s;
         }

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/runtime/sequence/storage/NativeSequenceStorage.java

@@ -86,13 +86,15 @@ public Object getPtr() {
         return ptr;
     }
 
-    public void setPtrAndSize(Object ptr, int size) {
+    public void setPtr(Object ptr) {
         if (reference != null) {
             reference.setPtr(ptr);
-            reference.setSize(size);
         }
         this.ptr = ptr;
-        this.capacity = size;
+    }
+
+    public void setCapacity(int capacity) {
+        this.capacity = capacity;
     }
 
     public void setReference(NativeStorageReference reference) {
@@ -108,6 +110,9 @@ public ListStorageType getElementType() {
     public void setNewLength(int length) {
         assert length <= capacity;
         this.length = length;
+        if (reference != null) {
+            reference.setSize(length);
+        }
     }
 
     @Override