https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102151
Niibe Yutaka <gniibe at fsij dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |gniibe at fsij dot org --- Comment #1 from Niibe Yutaka <gniibe at fsij dot org> --- struct arg_and_data_s { struct arg_and_data_s *next; unsigned int len; char arg[]; }; sizeof(struct arg_and_data_s) is 16 for x86_64. offsetof (struct arg_and_data_s, arg) is 12.