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/* { dg-do compile } */

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

/* { dg-bogus "internal compiler error" "ICE" { target *-*-* } 0 } */

#undef SKIP

#define ASMDECL __asm (REG);

#define CLOBBER_LIST : REG

#define INP_CLOBBER_LIST : CLOBBER_LIST

#if defined (__alpha__)

# define REG "$1"

#elif defined (__CRIS__) || defined (__sh__)

# define REG "r10"

#elif defined (__i386__)

# define REG "%eax"

#elif defined (__MMIX__)

# define REG "$8"

#elif defined (__powerpc__) || defined (__PPC__) || defined (__ppc__) \

        || defined (__POWERPC__) || defined (PPC) || defined (_IBMR2)

# define REG "6"

#elif defined (__x86_64__)

# define REG "rax"

#elif defined (__m68k__)

# define REG "%d0"

#else

/* Make this test harmless for any target not recognized above.  */

# define SKIP 1

#endif

#ifndef SKIP

struct A

{

  int a;

};

struct B

{

  struct A b[3];

};

struct C

{

  struct B c;

};

void bug (void)

{

  register char* dst ASMDECL;

  __asm__ ("":"=g"(*dst): : REG);

}

/* The tree optimizers currently prevent us from finding an overlap -

   we end up using a copy of dst rather than dst.

   But at least make sure we don't get an ICE.  */

void bug2 (void)

{

  register char* dst ASMDECL;

  __asm__ ("": :"g"(*dst) CLOBBER_LIST);

}

void

foo (void)

{

  register struct C *dst ASMDECL;

  __asm__ ("" : "=g"(dst->c.b[1].a) INP_CLOBBER_LIST);

}

#else

int main ()

{

  return 0;

}

#endif