1 // RUN: %clang_cc1 %s -fsyntax-only -verify
6 int b __attribute__((packed));
11 extern int a1[sizeof(struct s) == 12 ? 1 : -1];
12 extern int a2[__alignof(struct s) == 4 ? 1 : -1];
14 struct __attribute__((packed)) packed_s {
16 int b __attribute__((packed));
21 extern int b1[sizeof(struct packed_s) == 10 ? 1 : -1];
22 extern int b2[__alignof(struct packed_s) == 1 ? 1 : -1];
29 extern int c1[sizeof(struct fas) == 4 ? 1 : -1];
30 extern int c2[__alignof(struct fas) == 4 ? 1 : -1];
32 struct __attribute__((packed)) packed_fas {
37 extern int d1[sizeof(struct packed_fas) == 1 ? 1 : -1];
38 extern int d2[__alignof(struct packed_fas) == 1 ? 1 : -1];
40 struct packed_after_fas {
43 } __attribute__((packed));
45 extern int d1_2[sizeof(struct packed_after_fas) == 1 ? 1 : -1];
46 extern int d2_2[__alignof(struct packed_after_fas) == 1 ? 1 : -1];
50 struct __attribute__((aligned(8))) as1 {
54 extern int e1[sizeof(struct as1) == 8 ? 1 : -1];
55 extern int e2[__alignof(struct as1) == 8 ? 1 : -1];
57 // FIXME: Will need to force arch once max usable alignment isn't hard
59 struct __attribute__((aligned)) as1_2 {
62 extern int e1_2[sizeof(struct as1_2) == 16 ? 1 : -1];
63 extern int e2_2[__alignof(struct as1_2) == 16 ? 1 : -1];
67 int __attribute__((aligned(8))) a;
70 extern int f1[sizeof(struct as2) == 16 ? 1 : -1];
71 extern int f2[__alignof(struct as2) == 8 ? 1 : -1];
73 struct __attribute__((packed)) as3 {
76 int __attribute__((aligned(8))) b;
79 extern int g1[sizeof(struct as3) == 16 ? 1 : -1];
80 extern int g2[__alignof(struct as3) == 8 ? 1 : -1];
86 void *args[] __attribute__((packed));
90 union __attribute__((packed)) au4 {char c; int x;};
91 extern int h1[sizeof(union au4) == 4 ? 1 : -1];
92 extern int h2[__alignof(union au4) == 1 ? 1 : -1];
95 union au5 {__attribute__((aligned(4))) char c;};
96 extern int h1[sizeof(union au5) == 4 ? 1 : -1];
97 extern int h2[__alignof(union au5) == 4 ? 1 : -1];
100 struct as6 {char c; __attribute__((packed, aligned(2))) int x;};
101 extern int i1[sizeof(struct as6) == 6 ? 1 : -1];
102 extern int i2[__alignof(struct as6) == 2 ? 1 : -1];
104 union au6 {char c; __attribute__((packed, aligned(2))) int x;};
105 extern int k1[sizeof(union au6) == 4 ? 1 : -1];
106 extern int k2[__alignof(union au6) == 2 ? 1 : -1];
108 // Check postfix attributes
109 union au7 {char c; int x;} __attribute__((packed));
110 extern int l1[sizeof(union au7) == 4 ? 1 : -1];
111 extern int l2[__alignof(union au7) == 1 ? 1 : -1];
116 } __attribute__((packed));
118 extern int m1[sizeof(struct packed_fas2) == 1 ? 1 : -1];
119 extern int m2[__alignof(struct packed_fas2) == 1 ? 1 : -1];