Subversion Repositories openrisc

/* Test for non-lvalue arrays decaying to pointers: in C99 only.

   Test various ways of producing non-lvalue arrays.  */

/* Origin: Joseph Myers <jsm28@cam.ac.uk> */

/* { dg-do compile } */

/* { dg-options "-std=iso9899:1990 -pedantic-errors" } */

struct s { char c[17]; };

struct s x;

struct s a, b, c;

int d;

#define ASSERT(v, a)    char v[((a) ? 1 : -1)]

ASSERT (p, sizeof (x.c) == 17);

ASSERT (q, sizeof (0, x.c) == sizeof (char *));

ASSERT (r0, sizeof ((d ? b : c).c) == 17);

ASSERT (r1, sizeof ((d, b).c) == 17);

ASSERT (r2, sizeof ((a = b).c) == 17);

/* The non-lvalue array does not decay to a pointer, so the comma expression

   has (non-lvalue) array type.

*/

ASSERT (s0, sizeof (0, (d ? b : c).c) == 17); /* { dg-bogus "array" "bad non-lvalue array handling" } */

ASSERT (s0, sizeof (0, (d, b).c) == 17); /* { dg-bogus "array" "bad non-lvalue array handling" } */

ASSERT (s0, sizeof (0, (a = b).c) == 17); /* { dg-bogus "array" "bad non-lvalue array handling" } */