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annotate gcc/testsuite/g++.dg/cpp0x/pr84497.C @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents
children 1830386684a0
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131
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1 // PR 84497 mismatch with thread constructor fn weakness
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2 // { dg-do compile { target c++11 } }
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3 // { dg-require-weak "" }
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4
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5 struct Base
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6 {
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7 int m;
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8
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9 Base() noexcept = default; // trivial but not constexpr
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10 ~Base() noexcept = default;
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11 };
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12
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13 struct Derived : Base {};
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14 struct Container {
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15 Base m;
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16 };
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17
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18 #ifdef DEF
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19 // This bit for exposition only.
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20 // All items placed in .tbss
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21 // __tls_init simply sets __tls_guard
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22 // no aliases to __tls_init generated
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23 thread_local Base base_obj;
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24 thread_local Derived derived_obj;
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25 thread_local Container container_obj;
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26 #else
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27 // Erroneously created strong undef refs to
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28 // _ZTH11derived_obj, _ZTH13container_obj, _ZTH8base_obj
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29 extern thread_local Base base_obj;
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30 extern thread_local Derived derived_obj;
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31 extern thread_local Container container_obj;
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32 int main() { return !(&base_obj && &derived_obj && &container_obj);}
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33 #endif
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34
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35 // { dg-final { scan-assembler ".weak\[ \t\]*_ZTH8base_obj" } }
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36 // { dg-final { scan-assembler ".weak\[ \t\]*_ZTH11derived_obj" } }
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37 // { dg-final { scan-assembler ".weak\[ \t\]*_ZTH13container_obj" } }