111
|
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.
|
|
13 typedef struct A { int i; } A [[gnu::aligned (16)]];
|
|
14 int check_A[alignof (A) >= 16 ? 1 : -1];
|
|
15
|
|
16 // Check that the alignment is only applied to the typedef.
|
|
17 struct B { int i; };
|
|
18 struct B b1;
|
|
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];
|