This is semi-standard and doesn't require the util/Compiler.h header.

The ones in std have overloads for const char/char.
Signed-off-by: Rosen Penev <rosenp@gmail.com>

The former was deprecated with C++14.

According to the C++11 and C++17 standards, both files are identical.
Signed-off-by: Rosen Penev <rosenp@gmail.com>

This eliminates some overhead, because the compiler doesn't need to
consider these functions throwing.