1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
/* 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" } */
|
