All compilers supported by libc++ have rvalues in C++03 mode so, there is no need for this non-rvalue overload. Differential Revision: https://reviews.llvm.org/D80881
All compilers supported by libc++ have rvalues in C++03 mode so, there is no need for this non-rvalue overload. Differential Revision: https://reviews.llvm.org/D80881