gcc/testsuite/rust/compile/enum_discriminant1.rs - gcc.git - Git at Google

 enum Foo {
     Bar = 3 + 12,
 }

 fn test() -> Foo { // { dg-warning "function is never used" }
     return Foo::Bar;
 }
	enum Foo {
	Bar = 3 + 12,
	}

	fn test() -> Foo { // { dg-warning "function is never used" }
	return Foo::Bar;
	}