Use 'equals' of native pointer object in guard.

Author: fangerer

graalpython/com.oracle.graal.python/src/com/oracle/graal/python/builtins/objects/cext/CExtNodes.java

@@ -848,7 +848,7 @@ public abstract static class GetNativeClassNode extends CExtBaseNode {
 
         public abstract PythonAbstractClass execute(PythonAbstractNativeObject object);
 
-        @Specialization(guards = "object == cachedObject", limit = "1")
+        @Specialization(guards = "cachedObject.equals(object)", limit = "1")
         PythonAbstractClass getNativeClassCached(@SuppressWarnings("unused") PythonAbstractNativeObject object,
                         @SuppressWarnings("unused") @Cached("object") PythonAbstractNativeObject cachedObject,
                         @Cached("getNativeClass(cachedObject)") PythonAbstractClass cachedClass) {