| // compile-flags:-Zprint-mono-items=eager |
| |
| #![deny(dead_code)] |
| #![feature(start)] |
| |
| trait SomeTrait { |
| fn foo(&self) { } |
| fn bar<T>(&self, x: T) -> T { x } |
| } |
| |
| impl SomeTrait for i8 { |
| // take the default implementations |
| |
| // For the non-generic foo(), we should generate a codegen-item even if it |
| // is not called anywhere |
| //~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::foo[0]<i8> |
| } |
| |
| trait SomeGenericTrait<T1> { |
| fn foo(&self) { } |
| fn bar<T2>(&self, x: T1, y: T2) {} |
| } |
| |
| // Non-generic impl of generic trait |
| impl SomeGenericTrait<u64> for i32 { |
| // take the default implementations |
| |
| // For the non-generic foo(), we should generate a codegen-item even if it |
| // is not called anywhere |
| //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::foo[0]<i32, u64> |
| } |
| |
| // Non-generic impl of generic trait |
| impl<T1> SomeGenericTrait<T1> for u32 { |
| // take the default implementations |
| // since nothing is monomorphic here, nothing should be generated unless used somewhere. |
| } |
| |
| //~ MONO_ITEM fn trait_method_default_impl::start[0] |
| #[start] |
| fn start(_: isize, _: *const *const u8) -> isize { |
| //~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::bar[0]<i8, char> |
| let _ = 1i8.bar('c'); |
| |
| //~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::bar[0]<i8, &str> |
| let _ = 2i8.bar("&str"); |
| |
| //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<i32, u64, char> |
| 0i32.bar(0u64, 'c'); |
| |
| //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<i32, u64, &str> |
| 0i32.bar(0u64, "&str"); |
| |
| //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<u32, i8, &[char; 1]> |
| 0u32.bar(0i8, &['c']); |
| |
| //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0]<u32, i16, ()> |
| 0u32.bar(0i16, ()); |
| |
| 0 |
| } |