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git.ipfire.org Git - thirdparty/gcc.git/blob - gcc/testsuite/gcc.dg/c99-array-lval-2.c
1 /* Test for non-lvalue arrays decaying to pointers: in C99 only. */
2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
3 /* { dg-do compile } */
4 /* { dg-options "-std=iso9899:1999 -pedantic-errors" } */
6 struct s
{ char c
[17]; };
10 extern struct s
foo (void);
12 #define ASSERT(v, a) char v[((a) ? 1 : -1)]
14 ASSERT (p
, sizeof (x
.c
) == 17);
15 ASSERT (q
, sizeof (0, x
.c
) == sizeof (char *));
16 ASSERT (r
, sizeof ((foo ()).c
) == 17);
17 /* The non-lvalue array decays to a pointer in C99. */
18 ASSERT (s
, sizeof (0, (foo ()).c
) == sizeof (char *)); /* { dg-bogus "array" "bad non-lvalue array handling" } */