Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/torture/pr37868.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 "-fno-strict-aliasing" } */ /* { dg-skip-if "unaligned access" { arc*-*-* epiphany-*-* nds32*-*-* sparc*-*-* sh*-*-* tic6x-*-* } } */ extern void abort (void); #if (__SIZEOF_INT__ <= 2) struct X { unsigned char pad : 4; unsigned int a : 16; unsigned int b : 8; unsigned int c : 6; } __attribute__((packed)); #else struct X { unsigned char pad : 4; unsigned int a : 32; unsigned int b : 24; unsigned int c : 6; } __attribute__((packed)); #endif int main (void) { struct X x; unsigned int bad_bits; x.pad = -1; x.a = -1; x.b = -1; x.c = -1; bad_bits = ((unsigned int)-1) ^ *(1+(unsigned int *) &x); if (bad_bits != 0) abort (); return 0; }