https://gcc.gnu.org/bugzilla/show_bug.cgi?id=78031
Bug ID: 78031
Summary: Warning when a standard library UDL is brought to
scope with a using-declaration
Product: gcc
Version: 7.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
Assignee: unassigned at gcc dot gnu.org
Reporter: ville.voutilainen at gmail dot com
Target Milestone: ---
#include <string>
#include <iostream>
int main() {
using std::literals::operator""s;
std::cout << "hello\n"s;
}
prog.cc: In function 'int main()':
prog.cc:5:34: warning: literal operator suffixes not preceded by '_' are
reserved for future standardization
using std::literals::operator""s;
^~~
It's quite odd that gcc warns about code like that.
