1 files changed, 116 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr
new file mode 100644
index 000000000..66ecb3d8e
--- /dev/null
+++ b/src/tools/clippy/tests/ui/trivially_copy_pass_by_ref.stderr
@@ -0,0 +1,116 @@
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:47:11
+   |
+LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
+   |           ^^^^ help: consider passing by value instead: `u32`
+   |
+note: the lint level is defined here
+  --> $DIR/trivially_copy_pass_by_ref.rs:4:9
+   |
+LL | #![deny(clippy::trivially_copy_pass_by_ref)]
+   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:47:20
+   |
+LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
+   |                    ^^^^ help: consider passing by value instead: `Foo`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:47:29
+   |
+LL | fn bad(x: &u32, y: &Foo, z: &Baz) {}
+   |                             ^^^^ help: consider passing by value instead: `Baz`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:54:12
+   |
+LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
+   |            ^^^^^ help: consider passing by value instead: `self`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:54:22
+   |
+LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
+   |                      ^^^^ help: consider passing by value instead: `u32`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:54:31
+   |
+LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
+   |                               ^^^^ help: consider passing by value instead: `Foo`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:54:40
+   |
+LL |     fn bad(&self, x: &u32, y: &Foo, z: &Baz) {}
+   |                                        ^^^^ help: consider passing by value instead: `Baz`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:56:16
+   |
+LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
+   |                ^^^^ help: consider passing by value instead: `u32`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:56:25
+   |
+LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
+   |                         ^^^^ help: consider passing by value instead: `Foo`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:56:34
+   |
+LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
+   |                                  ^^^^ help: consider passing by value instead: `Baz`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:58:35
+   |
+LL |     fn bad_issue7518(self, other: &Self) {}
+   |                                   ^^^^^ help: consider passing by value instead: `Self`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:70:16
+   |
+LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
+   |                ^^^^ help: consider passing by value instead: `u32`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:70:25
+   |
+LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
+   |                         ^^^^ help: consider passing by value instead: `Foo`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:70:34
+   |
+LL |     fn bad2(x: &u32, y: &Foo, z: &Baz) {}
+   |                                  ^^^^ help: consider passing by value instead: `Baz`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:74:34
+   |
+LL |     fn trait_method(&self, _foo: &Foo);
+   |                                  ^^^^ help: consider passing by value instead: `Foo`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:106:21
+   |
+LL |     fn foo_never(x: &i32) {
+   |                     ^^^^ help: consider passing by value instead: `i32`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:111:15
+   |
+LL |     fn foo(x: &i32) {
+   |               ^^^^ help: consider passing by value instead: `i32`
+
+error: this argument (N byte) is passed by reference, but would be more efficient if passed by value (limit: N byte)
+  --> $DIR/trivially_copy_pass_by_ref.rs:138:37
+   |
+LL | fn _unrelated_lifetimes<'a, 'b>(_x: &'a u32, y: &'b u32) -> &'b u32 {
+   |                                     ^^^^^^^ help: consider passing by value instead: `u32`
+
+error: aborting due to 18 previous errors
+