Add noexcept to std::shared_future copy operations (LWG DR 2799)
Backport from mainline 2017-11-16 Jonathan Wakely <jwakely@redhat.com> * include/std/future (shared_future): Add noexcept to copy constructor and copy-assignment operator (LWG 2799). From-SVN: r255327
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@ -1,5 +1,11 @@
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2017-12-01 Jonathan Wakely <jwakely@redhat.com>
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2017-12-01 Jonathan Wakely <jwakely@redhat.com>
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Backport from mainline
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2017-11-16 Jonathan Wakely <jwakely@redhat.com>
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* include/std/future (shared_future): Add noexcept to copy constructor
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and copy-assignment operator (LWG 2799).
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Backport from mainline
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Backport from mainline
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2017-11-15 Jonathan Wakely <jwakely@redhat.com>
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2017-11-15 Jonathan Wakely <jwakely@redhat.com>
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@ -896,7 +896,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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constexpr shared_future() noexcept : _Base_type() { }
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constexpr shared_future() noexcept : _Base_type() { }
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/// Copy constructor
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/// Copy constructor
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shared_future(const shared_future& __sf) : _Base_type(__sf) { }
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shared_future(const shared_future& __sf) noexcept : _Base_type(__sf) { }
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/// Construct from a future rvalue
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/// Construct from a future rvalue
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shared_future(future<_Res>&& __uf) noexcept
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shared_future(future<_Res>&& __uf) noexcept
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@ -908,7 +908,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
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: _Base_type(std::move(__sf))
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: _Base_type(std::move(__sf))
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{ }
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{ }
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shared_future& operator=(const shared_future& __sf)
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shared_future& operator=(const shared_future& __sf) noexcept
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{
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{
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shared_future(__sf)._M_swap(*this);
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shared_future(__sf)._M_swap(*this);
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return *this;
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return *this;
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