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/* { dg-require-effective-target arm_eabi } */

/* { dg-do compile } */

/* { dg-options "-O2" } */

/* { dg-final { scan-assembler-times "ldr\[\\t \]+\[^\n\]*,\[\\t \]*\\\[\[^\n\]*\\\]" 2 } } */

/* { dg-final { scan-assembler-times "str\[\\t \]+\[^\n\]*,\[\\t \]*\\\[\[^\n\]*\\\]" 2 } } */

/* { dg-final { scan-assembler-not "strb" } } */

struct thing {

  unsigned a: 8;

  unsigned b: 8;

  unsigned c: 8;

  unsigned d: 8;

};

struct thing2 {

  volatile unsigned a: 8;

  volatile unsigned b: 8;

  volatile unsigned c: 8;

  volatile unsigned d: 8;

};

void test1(volatile struct thing *t)

{

  t->a = 5;

}

void test2(struct thing2 *t)

{

  t->a = 5;

}