https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78435
Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |marxin at gcc dot gnu.org --- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- I have a simplified source code (easier to read): char *result; #define SIZE 100 int main() { char buffer[SIZE]; int limit = 1000000; __builtin_snprintf (buffer, SIZE, "%d", 12345); if (__builtin_strlen (buffer) > limit) buffer[limit] = '\0'; result = __builtin_strdup (buffer); }