error[E0308]: mismatched types
  --> $DIR/regions-fn-subtyping-return-static-fail.rs:48:12
   |
LL |     want_G(baz);
   |     ------ ^^^ one type is more general than the other
   |     |
   |     arguments to this function are incorrect
   |
   = note: expected fn pointer `for<'cx> fn(&'cx S) -> &'static S`
                 found fn item `for<'a> fn(&'a S) -> &'a S {baz}`
   = note: when the arguments and return types match, functions can be coerced to function pointers
note: function defined here
  --> $DIR/regions-fn-subtyping-return-static-fail.rs:20:4
   |
LL | fn want_G(f: G) {}
   |    ^^^^^^ ----

error: aborting due to previous error

For more information about this error, try `rustc --explain E0308`.