| /* { dg-do compile } */ |
| /* { dg-options "-O2" } */ |
| |
| #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ |
| #define REV_ENDIANNESS __attribute__((scalar_storage_order("big-endian"))) |
| #else |
| #define REV_ENDIANNESS __attribute__((scalar_storage_order("little-endian"))) |
| #endif |
| |
| struct X { int *p; } REV_ENDIANNESS; |
| |
| struct X x; |
| |
| struct X __attribute__((noinline)) foo (int *p) |
| { |
| struct X x; |
| x.p = p; |
| return x; |
| } |
| |
| void __attribute((noinline)) bar (void) |
| { |
| *x.p = 1; |
| } |
| |
| extern void abort (void); |
| |
| int main (void) |
| { |
| int i = 0; |
| x = foo(&i); |
| bar(); |
| if (i != 1) |
| abort (); |
| return 0; |
| } |