// compile-flags:-Zprint-mono-items=eager #![deny(dead_code)] #![feature(start)] trait SomeTrait { fn foo(&self) { } fn bar(&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] } trait SomeGenericTrait { fn foo(&self) { } fn bar(&self, x: T1, y: T2) {} } // Non-generic impl of generic trait impl SomeGenericTrait 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] } // Non-generic impl of generic trait impl SomeGenericTrait 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] let _ = 1i8.bar('c'); //~ MONO_ITEM fn trait_method_default_impl::SomeTrait[0]::bar[0] let _ = 2i8.bar("&str"); //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0] 0i32.bar(0u64, 'c'); //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0] 0i32.bar(0u64, "&str"); //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0] 0u32.bar(0i8, &['c']); //~ MONO_ITEM fn trait_method_default_impl::SomeGenericTrait[0]::bar[0] 0u32.bar(0i16, ()); 0 }