> Le 6 août 2015 à 20:03, Ulya Fokanova <skvad...@gmail.com> a écrit : > > Hello! > > I get the following warning compling bison-3.0.4 generated parser with GCC: > > warning: conversion to ‘yytype_int16 {aka short int}’ from ‘int’ may > alter its value [-Wconversion] > *yyssp = yystate; > > As I understand, yyssp has to be 16-bit in order to reduce stack space. If > this conversion is safe, bison could generate explicit cast; otherwise a more > serious fix is needed. Could you fix it, or perhaps you'd like me to try send > a patch ? Should I provide an example?
Hi Ulya, Bison tries to use the smallest possible size of int for the tables. But I guess yystate does not use the same type. However, it's safe. If you can work out a patch (I'd avoid the cast though), that would be fine! Otherwise, I'll probably address this at some point. Cheers.