mirror of git://gcc.gnu.org/git/gcc.git
69 lines
2.0 KiB
C++
69 lines
2.0 KiB
C++
// { dg-options "-std=gnu++17" }
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// { dg-do compile { target c++17 } }
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#include <map>
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#include <testsuite_allocator.h>
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using __gnu_test::SimpleAllocator;
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static_assert(std::is_same_v<
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decltype(std::multimap{std::pair{1, 2.0}, {2, 3.0}, {3, 4.0}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{{std::pair{1, 2.0}, {2, 3.0}, {3, 4.0}}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{{std::pair{1, 2.0}, {2, 3.0}, {3, 4.0}},
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std::less<int>{}, {}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{{std::pair{1, 2.0}, {2, 3.0}, {3, 4.0}},
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{}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{{std::pair{1, 2.0}, {2, 3.0}, {3, 4.0}},
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{}, SimpleAllocator<std::pair<const int, double>>{}}),
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std::multimap<int, double, std::less<int>,
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SimpleAllocator<std::pair<const int, double>>>>);
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void f()
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{
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std::multimap<int, double> x;
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static_assert(std::is_same_v<
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decltype(std::multimap(x.begin(), x.end())),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{x.begin(), x.end(),
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std::less<int>{},
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std::allocator<std::pair<const int, double>>{}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{x.begin(), x.end(),
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std::less<int>{}, {}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap(x.begin(), x.end(),
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{})),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{x.begin(), x.end(),
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{},
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std::allocator<std::pair<const int, double>>{}}),
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std::multimap<int, double>>);
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static_assert(std::is_same_v<
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decltype(std::multimap{x.begin(), x.end(),
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{},
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SimpleAllocator<std::pair<const int, double>>{}}),
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std::multimap<int, double, std::less<int>,
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SimpleAllocator<std::pair<const int, double>>>>);
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}
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