| // PR 84497 mismatch with thread constructor fn weakness |
| // { dg-do compile { target c++11 } } |
| // { dg-require-weak "" } |
| // { dg-require-alias "" } |
| // { dg-skip-if "No .weak" { { hppa*-*-hpux* } && { ! lp64 } } } |
| |
| struct Base |
| { |
| int m; |
| |
| Base() noexcept = default; // trivial but not constexpr |
| ~Base() noexcept = default; |
| }; |
| |
| struct Derived : Base {}; |
| struct Container { |
| Base m; |
| }; |
| |
| #ifdef DEF |
| // This bit for exposition only. |
| // All items placed in .tbss |
| // __tls_init simply sets __tls_guard |
| // no aliases to __tls_init generated |
| thread_local Base base_obj; |
| thread_local Derived derived_obj; |
| thread_local Container container_obj; |
| #else |
| // Erroneously created strong undef refs to |
| // _ZTH11derived_obj, _ZTH13container_obj, _ZTH8base_obj |
| extern thread_local Base base_obj; |
| extern thread_local Derived derived_obj; |
| extern thread_local Container container_obj; |
| int main() { return !(&base_obj && &derived_obj && &container_obj);} |
| #endif |
| |
| // { dg-final { scan-assembler ".weak\[ \t\]*_ZTH8base_obj" } } |
| // { dg-final { scan-assembler ".weak\[ \t\]*_ZTH11derived_obj" } } |
| // { dg-final { scan-assembler ".weak\[ \t\]*_ZTH13container_obj" } } |
