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/* Test qualification of components of qualified structures or unions:

   should have qualifiers from both the component and the structure or

   union.  Bug 27697 from Frank Victor Fischer.  */

/* Origin: Joseph Myers <joseph@codesourcery.com> */

/* { dg-do compile } */

/* { dg-options "" } */

struct s {

  int a;

  int b[1];

  int c[2][3];

  const int d;

  const int e[1];

  const int f[2][3];

};

union u {

  int a;

  int b[1];

  int c[2][3];

  const int d;

  const int e[1];

  const int f[2][3];

};

struct cs {

  const struct s x;

};

struct s v1;

union u *v2;

const struct s *v3;

const union u v4;

struct cs v5;

void

f (void)

{

  v1.a = 0;

  v1.b[0] = 0;

  *v1.b = 0;

  v1.c[0][0] = 0;

  *v1.c[0] = 0;

  **v1.c = 0;

  v1.d = 0; /* { dg-error "assignment of read-only" } */

  v1.e[0] = 0; /* { dg-error "assignment of read-only" } */

  *v1.e = 0; /* { dg-error "assignment of read-only" } */

  v1.f[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v1.f[0] = 0; /* { dg-error "assignment of read-only" } */

  **v1.f = 0; /* { dg-error "assignment of read-only" } */

  v2->a = 0;

  v2->b[0] = 0;

  *v2->b = 0;

  v2->c[0][0] = 0;

  *v2->c[0] = 0;

  **v2->c = 0;

  v2->d = 0; /* { dg-error "assignment of read-only" } */

  v2->e[0] = 0; /* { dg-error "assignment of read-only" } */

  *v2->e = 0; /* { dg-error "assignment of read-only" } */

  v2->f[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v2->f[0] = 0; /* { dg-error "assignment of read-only" } */

  **v2->f = 0; /* { dg-error "assignment of read-only" } */

  v3->a = 0; /* { dg-error "assignment of read-only" } */

  v3->b[0] = 0; /* { dg-error "assignment of read-only" } */

  *v3->b = 0; /* { dg-error "assignment of read-only" } */

  v3->c[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v3->c[0] = 0; /* { dg-error "assignment of read-only" } */

  **v3->c = 0; /* { dg-error "assignment of read-only" } */

  v3->d = 0; /* { dg-error "assignment of read-only" } */

  v3->e[0] = 0; /* { dg-error "assignment of read-only" } */

  *v3->e = 0; /* { dg-error "assignment of read-only" } */

  v3->f[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v3->f[0] = 0; /* { dg-error "assignment of read-only" } */

  **v3->f = 0; /* { dg-error "assignment of read-only" } */

  v4.a = 0; /* { dg-error "assignment of read-only" } */

  v4.b[0] = 0; /* { dg-error "assignment of read-only" } */

  *v4.b = 0; /* { dg-error "assignment of read-only" } */

  v4.c[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v4.c[0] = 0; /* { dg-error "assignment of read-only" } */

  **v4.c = 0; /* { dg-error "assignment of read-only" } */

  v4.d = 0; /* { dg-error "assignment of read-only" } */

  v4.e[0] = 0; /* { dg-error "assignment of read-only" } */

  *v4.e = 0; /* { dg-error "assignment of read-only" } */

  v4.f[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v4.f[0] = 0; /* { dg-error "assignment of read-only" } */

  **v4.f = 0; /* { dg-error "assignment of read-only" } */

  v5.x.a = 0; /* { dg-error "assignment of read-only" } */

  v5.x.b[0] = 0; /* { dg-error "assignment of read-only" } */

  *v5.x.b = 0; /* { dg-error "assignment of read-only" } */

  v5.x.c[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v5.x.c[0] = 0; /* { dg-error "assignment of read-only" } */

  **v5.x.c = 0; /* { dg-error "assignment of read-only" } */

  v5.x.d = 0; /* { dg-error "assignment of read-only" } */

  v5.x.e[0] = 0; /* { dg-error "assignment of read-only" } */

  *v5.x.e = 0; /* { dg-error "assignment of read-only" } */

  v5.x.f[0][0] = 0; /* { dg-error "assignment of read-only" } */

  *v5.x.f[0] = 0; /* { dg-error "assignment of read-only" } */

  **v5.x.f = 0; /* { dg-error "assignment of read-only" } */

}

void

g (void)

{

  {

    int *a = &v1.a;

    int (*b)[1] = &v1.b;

    int (*c)[2][3] = &v1.c;

    int (*cc)[3] = v1.c;

    const int (*ff)[3] = v1.c; /* { dg-warning "initialization from incompatible pointer type" } */

    a = &v1.a;

    b = &v1.b;

    c = &v1.c;

    cc = v1.c;

    ff = v1.c; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v1.d;

    const int (*e)[1] = &v1.e;

    const int (*f)[2][3] = &v1.f;

    const int (*ff)[3] = v1.f;

    int (*cc)[3] = v1.f; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v1.d;

    e = &v1.e;

    f = &v1.f;

    ff = v1.f;

    cc = v1.f; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    int *a = &v2->a;

    int (*b)[1] = &v2->b;

    int (*c)[2][3] = &v2->c;

    int (*cc)[3] = v2->c;

    const int (*ff)[3] = v2->c; /* { dg-warning "initialization from incompatible pointer type" } */

    a = &v2->a;

    b = &v2->b;

    c = &v2->c;

    cc = v2->c;

    ff = v2->c; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v2->d;

    const int (*e)[1] = &v2->e;

    const int (*f)[2][3] = &v2->f;

    const int (*ff)[3] = v2->f;

    int (*cc)[3] = v2->f; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v2->d;

    e = &v2->e;

    f = &v2->f;

    ff = v2->f;

    cc = v2->f; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v3->a;

    const int (*e)[1] = &v3->b;

    const int (*f)[2][3] = &v3->c;

    const int (*ff)[3] = v3->c;

    int (*cc)[3] = v3->c; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v3->a;

    e = &v3->b;

    f = &v3->c;

    ff = v3->c;

    cc = v3->c; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v3->d;

    const int (*e)[1] = &v3->e;

    const int (*f)[2][3] = &v3->f;

    const int (*ff)[3] = v3->f;

    int (*cc)[3] = v3->f; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v3->d;

    e = &v3->e;

    f = &v3->f;

    ff = v3->f;

    cc = v3->f; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v4.a;

    const int (*e)[1] = &v4.b;

    const int (*f)[2][3] = &v4.c;

    const int (*ff)[3] = v4.c;

    int (*cc)[3] = v4.c; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v4.a;

    e = &v4.b;

    f = &v4.c;

    ff = v4.c;

    cc = v4.c; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v4.d;

    const int (*e)[1] = &v4.e;

    const int (*f)[2][3] = &v4.f;

    const int (*ff)[3] = v4.f;

    int (*cc)[3] = v4.f; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v4.d;

    e = &v4.e;

    f = &v4.f;

    ff = v4.f;

    cc = v4.f; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v5.x.a;

    const int (*e)[1] = &v5.x.b;

    const int (*f)[2][3] = &v5.x.c;

    const int (*ff)[3] = v5.x.c;

    int (*cc)[3] = v5.x.c; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v5.x.a;

    e = &v5.x.b;

    f = &v5.x.c;

    ff = v5.x.c;

    cc = v5.x.c; /* { dg-warning "assignment from incompatible pointer type" } */

  }

  {

    const int *d = &v5.x.d;

    const int (*e)[1] = &v5.x.e;

    const int (*f)[2][3] = &v5.x.f;

    const int (*ff)[3] = v5.x.f;

    int (*cc)[3] = v5.x.f; /* { dg-warning "initialization from incompatible pointer type" } */

    d = &v5.x.d;

    e = &v5.x.e;

    f = &v5.x.f;

    ff = v5.x.f;

    cc = v5.x.f; /* { dg-warning "assignment from incompatible pointer type" } */

  }

}