1 // { dg-do compile { target c++11 } }
2 //
3 // There were two related problems here, depending on the vintage. At
4 // one time:
5 //
6 // typedef struct A { ... } A [[gnu::aligned (16)]];
7 //
8 // would cause original_types to go into an infinite loop. At other
9 // times, the attributes applied to an explicit typedef would be lost
10 // (check_b3 would have a negative size).
11
12 // First check that the declaration is accepted and has an effect.
fn_bin(t)13 typedef struct A { int i; } A [[gnu::aligned (16)]];
14 int check_A[alignof (A) >= 16 ? 1 : -1];
15
fn_asc(t)16 // Check that the alignment is only applied to the typedef.
17 struct B { int i; };
18 struct B b1;
test_dearmor_file()19 typedef struct B B [[gnu::aligned (16)]];
20 struct B b2;
21 B b3;
22 int check_b1[__alignof__ (b1) == __alignof__ (b2) ? 1 : -1];
23 int check_b3[__alignof__ (b3) >= 16 ? 1 : -1];
24