Improve check condition for VM handler

Author: nielsdos

Zend/zend_vm_def.h

@@ -9917,7 +9917,7 @@ ZEND_VM_HOT_TYPE_SPEC_HANDLER(ZEND_SEND_VAR, op->op2_type == IS_UNUSED && !op->e
 	ZEND_VM_NEXT_OPCODE();
 }
 
-ZEND_VM_HOT_TYPE_SPEC_HANDLER(ZEND_SEND_VAR, op->op2_type == IS_UNUSED && op->extended_value && (op1_info & (MAY_BE_UNDEF|MAY_BE_REF)) == 0, ZEND_SEND_VAR_SIMPLE_EXT, CV, NUM)
+ZEND_VM_HOT_TYPE_SPEC_HANDLER(ZEND_SEND_VAR, op->extended_value /* extended_value implies here OP2 UNUSED and OP1 not UNDEF or REF */, ZEND_SEND_VAR_SIMPLE_EXT, CV, NUM)
 {
 	USE_OPLINE
 	zval *varptr, *arg;