* doc/invoke.texi: Document -std=c++17 and -std=gnu++17 and document

[official-gcc.git] / gcc / testsuite / g++.dg / cpp1z / class-deduction7.C

// { dg-options -std=c++17 }

template <class T>
struct A
{
  int i;
};

template <class T>
A(T);                          // { dg-error "must have trailing return type" }