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/* Test cases of structures with volatile fields declared register:

   should be allowed unless register name given but explicitly taking

   the address forbidden.  */

/* Origin: Joseph Myers <jsm@polyomino.org.uk> */

/* { dg-do compile } */

struct S { volatile int field; };

void

f (void)

{

  register struct S a;

  register struct S b[2];

  register struct S c __asm__("nosuchreg"); /* { dg-error "object with volatile field" "explicit reg name" } */

  &a; /* { dg-warning "address of register" "explicit address" } */

  b; /* { dg-warning "address of register" "implicit address" } */

}