| /* 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" } */ |
