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(-) parser.y (-1 / +1 lines)
 Lines 1964-1970    Link Here  
		  /* Y_INT '-' Y_INT */
		  /* Y_INT '-' Y_INT */
		  if ($2.i >= 0)
		  if ($2.i >= 0)
		    yyerror ("Syntax error");
		    yyerror ("Syntax error");
		  $$.i = $1.i + $2.i;
 
		  $$.i = $1.i - $2.i;
 
		}
		}
	;
	;