Defined in 3 files as a function:
- contrib/libstdc++/include/ext/rc_string_base.h, line 142 (as a function)
- contrib/libstdc++/include/ext/rc_string_base.h, line 298 (as a function)
- contrib/libstdc++/include/ext/sso_string_base.h, line 171 (as a function)