| /* PR c/53037. */ |
| /* { dg-do compile } */ |
| /* { dg-options "-O0 -Wall" } */ |
| |
| typedef int int32_t __attribute__((mode (__SI__))); |
| |
| struct __attribute__ ((aligned (8))) S8 { char a[8]; }; |
| struct __attribute__ ((packed)) S1 { /* { dg-warning "alignment 1 of 'S1' is less than 8" } */ |
| struct S8 s8; |
| }; |
| |
| struct __attribute__ ((packed, aligned (8))) S2 { |
| struct S8 s8; |
| }; |
| |
| struct __attribute__ ((packed, aligned (8))) S3 { |
| int32_t i1; |
| struct S8 s8; /* { dg-warning "'S3::s8' offset 4 in 'S3' isn't aligned to 8" } */ |
| }; |
| |
| struct __attribute__ ((packed, aligned (8))) S4 { |
| int32_t i1; |
| int32_t i2; |
| struct S8 s8; |
| }; |
| |
| struct __attribute__ ((packed)) S5 { |
| long long ll; |
| }; |
| |
| union __attribute__ ((packed)) U1 { /* { dg-warning "alignment 1 of 'U1' is less than 8" } */ |
| int32_t i1; |
| struct S8 s8; |
| }; |
| |
| union __attribute__ ((packed, aligned (8))) U2 { |
| int32_t i1; |
| struct S8 s8; |
| }; |