Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/pr84497.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | |
children | 1830386684a0 |
line wrap: on
line source
// PR 84497 mismatch with thread constructor fn weakness // { dg-do compile { target c++11 } } // { dg-require-weak "" } 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" } }