diff --git a/libcxx/include/vector b/libcxx/include/vector index 0e413350de76..81c514ee6b78 100644 --- a/libcxx/include/vector +++ b/libcxx/include/vector @@ -2363,6 +2363,7 @@ public: _NOEXCEPT_(!__alloc_traits::propagate_on_container_swap::value || __is_nothrow_swappable::value); #endif + static void swap(reference __x, reference __y) _NOEXCEPT { _VSTD::swap(__x, __y); } void resize(size_type __sz, value_type __x = false); void flip() _NOEXCEPT; diff --git a/libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp b/libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp new file mode 100644 index 000000000000..d76d4ed2c680 --- /dev/null +++ b/libcxx/test/std/containers/sequences/vector.bool/reference.swap.pass.cpp @@ -0,0 +1,31 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// +// vector + +// static void swap(reference x, reference y) noexcept; + +#include +#include + +int main() +{ + bool a[] = {false, true, false, true}; + bool* an = a + sizeof(a)/sizeof(a[0]); + + std::vector v(a, an); + std::vector::reference r1 = v[0]; + std::vector::reference r2 = v[3]; + assert(!r1); + assert( r2); + v.swap(r1, r2); + assert( r1); + assert(!r2); +} \ No newline at end of file