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view gcc/testsuite/g++.dg/cpp0x/pr84497.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
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// 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" } }