Eliminated reference-counting and EG(exception) check

Author: dstogov

Zend/zend_vm_def.h

@@ -3086,22 +3086,27 @@ ZEND_VM_HOT_OBJ_HANDLER(112, ZEND_INIT_METHOD_CALL, CONST|TMPVAR|UNUSED|THIS|CV,
 		}
 	}
 
+	if (OP2_TYPE != IS_CONST) {
+		FREE_OP2();
+	}
+
 	call_info = ZEND_CALL_NESTED_FUNCTION;
 	if (UNEXPECTED((fbc->common.fn_flags & ZEND_ACC_STATIC) != 0)) {
 		obj = NULL;
+		FREE_OP1();
+
+		if ((OP1_TYPE & (IS_VAR|IS_TMP_VAR)) && UNEXPECTED(EG(exception))) {
+			HANDLE_EXCEPTION();
+		}
 	} else if (OP1_TYPE & (IS_VAR|IS_TMP_VAR|IS_CV)) {
 		/* CV may be changed indirectly (e.g. when it's a reference) */
 		call_info = ZEND_CALL_NESTED_FUNCTION | ZEND_CALL_RELEASE_THIS;
-		GC_ADDREF(obj); /* For $this pointer */
-	}
-
-	if (OP2_TYPE != IS_CONST) {
-		FREE_OP2();
-	}
-	FREE_OP1();
-
-	if ((OP1_TYPE & (IS_VAR|IS_TMP_VAR)) && UNEXPECTED(EG(exception))) {
-		HANDLE_EXCEPTION();
+		if (OP1_TYPE == IS_CV) {
+			GC_ADDREF(obj); /* For $this pointer */
+		} else if (free_op1 != object) {
+			GC_ADDREF(obj); /* For $this pointer */
+			FREE_OP1();
+		}
 	}
 
 	call = zend_vm_stack_push_call_frame(call_info,