Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 50 insertions, 0 deletions

diff --git a/src/test/codegen-units/item-collection/cross-crate-trait-method.rs b/src/test/codegen-units/item-collection/cross-crate-trait-method.rs
new file mode 100644
index 000000000..dc0984c8a
--- /dev/null
+++ b/src/test/codegen-units/item-collection/cross-crate-trait-method.rs
@@ -0,0 +1,50 @@
+// compile-flags:-Zprint-mono-items=eager
+
+#![deny(dead_code)]
+#![feature(start)]
+
+// aux-build:cgu_export_trait_method.rs
+extern crate cgu_export_trait_method;
+
+use cgu_export_trait_method::Trait;
+
+//~ MONO_ITEM fn start
+#[start]
+fn start(_: isize, _: *const *const u8) -> isize {
+    // The object code of these methods is contained in the external crate, so
+    // calling them should *not* introduce codegen items in the current crate.
+    let _: (u32, u32) = Trait::without_default_impl(0);
+    let _: (char, u32) = Trait::without_default_impl(0);
+
+    // Currently, no object code is generated for trait methods with default
+    // implementations, unless they are actually called from somewhere. Therefore
+    // we cannot import the implementations and have to create our own inline.
+    //~ MONO_ITEM fn <u32 as cgu_export_trait_method::Trait>::with_default_impl
+    let _ = Trait::with_default_impl(0u32);
+    //~ MONO_ITEM fn <char as cgu_export_trait_method::Trait>::with_default_impl
+    let _ = Trait::with_default_impl('c');
+
+
+
+    //~ MONO_ITEM fn <u32 as cgu_export_trait_method::Trait>::with_default_impl_generic::<&str>
+    let _ = Trait::with_default_impl_generic(0u32, "abc");
+    //~ MONO_ITEM fn <u32 as cgu_export_trait_method::Trait>::with_default_impl_generic::<bool>
+    let _ = Trait::with_default_impl_generic(0u32, false);
+
+    //~ MONO_ITEM fn <char as cgu_export_trait_method::Trait>::with_default_impl_generic::<i16>
+    let _ = Trait::with_default_impl_generic('x', 1i16);
+    //~ MONO_ITEM fn <char as cgu_export_trait_method::Trait>::with_default_impl_generic::<i32>
+    let _ = Trait::with_default_impl_generic('y', 0i32);
+
+    //~ MONO_ITEM fn <u32 as cgu_export_trait_method::Trait>::without_default_impl_generic::<char>
+    let _: (u32, char) = Trait::without_default_impl_generic('c');
+    //~ MONO_ITEM fn <u32 as cgu_export_trait_method::Trait>::without_default_impl_generic::<bool>
+    let _: (u32, bool) = Trait::without_default_impl_generic(false);
+
+    //~ MONO_ITEM fn <char as cgu_export_trait_method::Trait>::without_default_impl_generic::<char>
+    let _: (char, char) = Trait::without_default_impl_generic('c');
+    //~ MONO_ITEM fn <char as cgu_export_trait_method::Trait>::without_default_impl_generic::<bool>
+    let _: (char, bool) = Trait::without_default_impl_generic(false);
+
+    0
+}