fix #41401 - parser precedence on unary operators

# now 1/-2*5 is -2.5 as it should be

Zend/zend_language_parser.y

@@ -587,8 +587,8 @@ expr_without_variable:
 	|	expr '%' expr 	{ zend_do_binary_op(ZEND_MOD, &$$, &$1, &$3 TSRMLS_CC); }
 	| 	expr T_SL expr	{ zend_do_binary_op(ZEND_SL, &$$, &$1, &$3 TSRMLS_CC); }
 	|	expr T_SR expr	{ zend_do_binary_op(ZEND_SR, &$$, &$1, &$3 TSRMLS_CC); }
-	|	'+' expr { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); }
-	|	'-' expr { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); }
+	|	'+' expr %prec T_INC { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_ADD, &$$, &$1, &$2 TSRMLS_CC); }
+	|	'-' expr %prec T_INC { Z_LVAL($1.u.constant)=0; Z_TYPE($1.u.constant)=IS_LONG; $1.op_type = IS_CONST; INIT_PZVAL(&$1.u.constant); zend_do_binary_op(ZEND_SUB, &$$, &$1, &$2 TSRMLS_CC); }
 	|	'!' expr { zend_do_unary_op(ZEND_BOOL_NOT, &$$, &$2 TSRMLS_CC); }
 	|	'~' expr { zend_do_unary_op(ZEND_BW_NOT, &$$, &$2 TSRMLS_CC); }
 	|	expr T_IS_IDENTICAL expr		{ zend_do_binary_op(ZEND_IS_IDENTICAL, &$$, &$1, &$3 TSRMLS_CC); }