Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/builtin-object-size-14.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
line wrap: on
line source
/* { dg-do run } */ /* { dg-options "-O2" } */ extern void abort (void); extern char *strncpy(char *, const char *, __SIZE_TYPE__); union u { struct { char vi[8]; char pi[16]; }; char all[8+16+4]; }; void __attribute__((noinline,noclone)) f(union u *u) { char vi[8+1]; __builtin_strncpy(vi, u->vi, sizeof(u->vi)); if (__builtin_object_size (u->all, 1) != -1) abort (); } int main() { union u u; f (&u); return 0; }