Viewing file:  Wattributes-10.c (1.13 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* PR middle-end/86453 - error: type variant differs by TYPE_PACKED in
free_lang_data since r255469
{ dg-do compile }
{ dg-options "-Wall -ftrack-macro-expansion=0" }
{ dg-additional-options "-fno-common" { target hppa*-*-hpux* } } */
#define A(expr) do { int a[1 - 2 * !(expr)]; (void)&a; } while (0)
struct S
{
int* __attribute__ ((aligned (16))) paligned;
int* __attribute__ ((packed)) ppacked; /* { dg-warning ".packed. attribute ignored for type .int \\\*." } */
int* __attribute__ ((aligned (16), packed)) qaligned; /* { dg-warning "ignoring attribute .packed. because it conflicts with attribute .aligned." } */
int* __attribute__ ((packed, aligned (16))) qpacked; /* { dg-warning ".packed. attribute ignored for type .int \\\*." } */
} s; /* { dg-error "alignment of 's' is greater" "" { target pdp11*-*-* } } */
void test (void)
{
/* Verify that attributes reported ignored really are ignored
and not applied. */
A (__alignof__ (s.paligned) == 16);
A (__alignof__ (s.ppacked) < 16);
A (__alignof__ (s.qaligned) == 16);
A (__alignof__ (s.qpacked) == __alignof__ (s.paligned));
}
|
