gcc-4.9/gcc/testsuite/g++.dg/cpp0x/pr31434.C


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// { dg-do compile { target c++11 } }
template<typename... T> int foo(const T&) // { dg-error "not expanded with|T" }
{
 union { T t; }; // { dg-error "not expanded with|T" }
 return t;
}

void bar()
{
  foo(0); // { dg-error "no matching" }
  // { dg-message "(candidate|cannot convert)" "candidate note" { target *-*-* } 10 }
}