https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83704
--- Comment #6 from Dominique d'Humieres <dominiq at lps dot ens.fr> --- > However this does not fix the output of print *, "'", ch(1:2_8**32_8+3_8), "'" This is fixed by the following patch --- ../_clean/libgfortran/io/write.c 2018-01-05 20:02:38.000000000 +0100 +++ libgfortran/io/write.c 2018-01-06 17:43:04.000000000 +0100 @@ -1358,7 +1359,7 @@ write_integer (st_parameter_dt *dtp, con #define NODELIM 0 static void -write_character (st_parameter_dt *dtp, const char *source, int kind, int length, int mode) +write_character (st_parameter_dt *dtp, const char *source, int kind, size_t length, int mode) { int i, extra; char *p, d;