[thirdparty/gcc.git] / gcc / testsuite / gcc.dg / pr48784-1.c

/* { dg-do run } */
/* { dg-require-effective-target size32plus } */
/* { dg-options "-fstrict-volatile-bitfields" } */

extern void abort (void);

#pragma pack(1)
volatile struct S0 {
   signed a : 7;
   unsigned b : 28;  /* b can't be fetched with an aligned 32-bit access, */
                     /* but it certainly can be fetched with an unaligned access */
} g = {0,0xfffffff};

int main() {
  unsigned b = g.b;
  if (b != 0xfffffff)
    abort ();
  return 0;
}
Commit	Line	Data
f5d4f18c	1	/* { dg-do run } */
7531103a	2	/* { dg-require-effective-target size32plus } */
f5d4f18c SL	3	/* { dg-options "-fstrict-volatile-bitfields" } */
	4
	5	extern void abort (void);
	6
	7	#pragma pack(1)
	8	volatile struct S0 {
	9	signed a : 7;
	10	unsigned b : 28; /* b can't be fetched with an aligned 32-bit access, */
	11	/* but it certainly can be fetched with an unaligned access */
	12	} g = {0,0xfffffff};
	13
	14	int main() {
	15	unsigned b = g.b;
	16	if (b != 0xfffffff)
	17	abort ();
	18	return 0;
	19	}