| /* { dg-do run } */ | |
| /* { dg-additional-options "-ftree-slp-vectorize -fno-vect-cost-model" } */ | |
| #include <cstddef> | |
| struct A | |
| { | |
| void * a; | |
| void * b; | |
| }; | |
| struct alignas(16) B | |
| { | |
| void * pad; | |
| void * misaligned; | |
| void * pad2; | |
| A a; | |
| void Null(); | |
| }; | |
| void B::Null() | |
| { | |
| a.a = nullptr; | |
| a.b = nullptr; | |
| } | |
| void __attribute__((noinline,noclone)) | |
| NullB(void * misalignedPtr) | |
| { | |
| B* b = reinterpret_cast<B*>(reinterpret_cast<char *>(misalignedPtr) - offsetof(B, misaligned)); | |
| b->Null(); | |
| } | |
| int main() | |
| { | |
| B b; | |
| NullB(&b.misaligned); | |
| return 0; | |
| } |