src/test/codegen-units/item-collection/impl-in-non-instantiated-generic.rs

   1 // compile-flags:-Zprint-mono-items=eager
   2
   3 #![deny(dead_code)]
   4 #![feature(start)]
   5
   6 trait SomeTrait {
   7     fn foo(&self);
   8 }
   9
  10 // This function is never instantiated but the contained impl must still be
  11 // discovered.
  12 pub fn generic_function<T>(x: T) -> (T, i32) {
  13     impl SomeTrait for i64 {
  14         //~ MONO_ITEM fn generic_function::<impl SomeTrait for i64>::foo
  15         fn foo(&self) {}
  16     }
  17
  18     (x, 0)
  19 }
  20
  21 //~ MONO_ITEM fn start
  22 #[start]
  23 fn start(_: isize, _: *const *const u8) -> isize {
  24     0i64.foo();
  25
  26     0
  27 }