src/test/codegen-units/partitioning/auxiliary/shared_generics_aux.rs

   1 // NOTE: We always compile this test with -Copt-level=0 because higher opt-levels
   2 //       prevent drop-glue from participating in share-generics.
   3 // compile-flags:-Zshare-generics=yes -Copt-level=0
   4 // no-prefer-dynamic
   5
   6 #![crate_type="rlib"]
   7
   8 pub fn generic_fn<T>(x: T, y: T) -> (T, T) {
   9     (x, y)
  10 }
  11
  12 pub fn use_generic_fn_f32() -> (f32, f32) {
  13     // This line causes drop glue for Foo to be instantiated. We want to make
  14     // sure that this crate exports an instance to be re-used by share-generics.
  15     let _ = Foo(0);
  16
  17     generic_fn(0.0f32, 1.0f32)
  18 }
  19
  20 pub struct Foo(pub u32);
  21
  22 impl Drop for Foo {
  23     fn drop(&mut self) {
  24         println!("foo");
  25     }
  26 }