File: fntmpdefarg2.C

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gcc-riscv64-unknown-elf 8.3.0.2019.08%2Bdfsg-1
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// PR c++/46831
// { dg-do compile { target c++11 } }
// { dg-options "" }

struct B { };
struct D : B { };
struct A {
  template<typename T = void> operator D&(); // { dg-message "template conversion" }
  operator long();
};

void f(long);
void f(B&);

struct A2 {
  template<typename T = void> operator B&();
};

void f2(const B&);

int main() {
  f(A());
  f2(A2());
  f2(A());			// { dg-error "" }
}