tuple was accidentally lacking a valid copy assignment operator. It went undetected because I had failed to test assigning from a const lvalue. This fixes http://llvm.org/bugs/show_bug.cgi?id=11921 git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@150613 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/tuple b/include/tuple index d5c6ad0..2bdb05f 100644 --- a/include/tuple +++ b/include/tuple
@@ -500,6 +500,14 @@ return *this; } + _LIBCPP_INLINE_VISIBILITY + __tuple_impl& + operator=(const __tuple_impl& __t) + { + __swallow(__tuple_leaf<_Indx, _Tp>::operator=(static_cast<const __tuple_leaf<_Indx, _Tp>&>(__t).get())...); + return *this; + } + _LIBCPP_INLINE_VISIBILITY void swap(__tuple_impl& __t) _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) 