// Testcase from P0305R1 // { dg-do compile { target c++17 } } #include #include #include std::map m; extern int xread (int *); extern void publish (int), xraise (int); void foo () { if (auto it = m.find (10); it != m.end ()) { std::string s = it->second; } if (char buf[10]; std::fgets(buf, 10, stdin)) { m[0] += buf; } if (int s; int count = xread (&s)) { publish(count); xraise(s); } const char *s; if (auto keywords = {"if", "for", "while"}; std::any_of(keywords.begin(), keywords.end(), [&s](const char* kw) { return s == kw; })) { // whatever } }