5 files changed, 169 insertions, 14 deletions
diff --git a/src/test/codegen/comparison-operators-newtype.rs b/src/test/codegen/comparison-operators-newtype.rs
new file mode 100644
index 00000000000..5cf6c3ac0a2
--- /dev/null
+++ b/src/test/codegen/comparison-operators-newtype.rs
@@ -0,0 +1,49 @@
+// The `derive(PartialOrd)` for a newtype doesn't override `lt`/`le`/`gt`/`ge`.
+// This double-checks that the `Option<Ordering>` intermediate values used
+// in the operators for such a type all optimize away.
+
+// compile-flags: -C opt-level=1
+// min-llvm-version: 15.0
+
+#![crate_type = "lib"]
+
+use std::cmp::Ordering;
+
+#[derive(PartialOrd, PartialEq)]
+pub struct Foo(u16);
+
+// CHECK-LABEL: @check_lt
+// CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
+#[no_mangle]
+pub fn check_lt(a: Foo, b: Foo) -> bool {
+    // CHECK: %[[R:.+]] = icmp ult i16 %[[A]], %[[B]]
+    // CHECK-NEXT: ret i1 %[[R]]
+    a < b
+}
+
+// CHECK-LABEL: @check_le
+// CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
+#[no_mangle]
+pub fn check_le(a: Foo, b: Foo) -> bool {
+    // CHECK: %[[R:.+]] = icmp ule i16 %[[A]], %[[B]]
+    // CHECK-NEXT: ret i1 %[[R]]
+    a <= b
+}
+
+// CHECK-LABEL: @check_gt
+// CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
+#[no_mangle]
+pub fn check_gt(a: Foo, b: Foo) -> bool {
+    // CHECK: %[[R:.+]] = icmp ugt i16 %[[A]], %[[B]]
+    // CHECK-NEXT: ret i1 %[[R]]
+    a > b
+}
+
+// CHECK-LABEL: @check_ge
+// CHECK-SAME: (i16 %[[A:.+]], i16 %[[B:.+]])
+#[no_mangle]
+pub fn check_ge(a: Foo, b: Foo) -> bool {
+    // CHECK: %[[R:.+]] = icmp uge i16 %[[A]], %[[B]]
+    // CHECK-NEXT: ret i1 %[[R]]
+    a >= b
+}
diff --git a/src/test/rustdoc-gui/docblock-code-block-line-number.goml b/src/test/rustdoc-gui/docblock-code-block-line-number.goml
index b094c483876..a3ed008719c 100644
--- a/src/test/rustdoc-gui/docblock-code-block-line-number.goml
+++ b/src/test/rustdoc-gui/docblock-code-block-line-number.goml
@@ -1,23 +1,53 @@
 // Checks that the setting "line numbers" is working as expected.
 goto: "file://" + |DOC_PATH| + "/test_docs/fn.foo.html"
 
+// Otherwise, we can't check text color
+show-text: true
+
 // We check that without this setting, there is no line number displayed.
 assert-false: "pre.example-line-numbers"
 
-// We now set the setting to show the line numbers on code examples.
-local-storage: {"rustdoc-line-numbers": "true" }
-// We reload to make the line numbers appear.
-reload:
-
-// We wait for them to be added into the DOM by the JS...
-wait-for: "pre.example-line-numbers"
-// If the test didn't fail, it means that it was found!
 // Let's now check some CSS properties...
-assert-css: ("pre.example-line-numbers", {
-    "margin": "0px",
-    "padding": "13px 8px",
-    "text-align": "right",
+define-function: (
+    "check-colors",
+    (theme, color),
+    [
+        // We now set the setting to show the line numbers on code examples.
+        ("local-storage", {
+            "rustdoc-theme": |theme|,
+            "rustdoc-use-system-theme": "false",
+            "rustdoc-line-numbers": "true"
+        }),
+        // We reload to make the line numbers appear and change theme.
+        ("reload"),
+        // We wait for them to be added into the DOM by the JS...
+        ("wait-for", "pre.example-line-numbers"),
+        // If the test didn't fail, it means that it was found!
+        ("assert-css", (
+            "pre.example-line-numbers",
+            {
+                "color": |color|,
+                "margin": "0px",
+                "padding": "14px 8px",
+                "text-align": "right",
+            },
+            ALL,
+        )),
+    ],
+)
+call-function: ("check-colors", {
+    "theme": "ayu",
+    "color": "rgb(92, 103, 115)",
 })
+call-function: ("check-colors", {
+    "theme": "dark",
+    "color": "rgb(59, 145, 226)",
+})
+call-function: ("check-colors", {
+    "theme": "light",
+    "color": "rgb(198, 126, 45)",
+})
+
 // The first code block has two lines so let's check its `<pre>` elements lists both of them.
 assert-text: ("pre.example-line-numbers", "1\n2")
 
diff --git a/src/test/rustdoc-gui/source-code-page.goml b/src/test/rustdoc-gui/source-code-page.goml
index 25da74e5173..8a33e713191 100644
--- a/src/test/rustdoc-gui/source-code-page.goml
+++ b/src/test/rustdoc-gui/source-code-page.goml
@@ -89,9 +89,9 @@ assert-css: (".src-line-numbers", {"text-align": "right"})
 // do anything (and certainly not add a `#NaN` to the URL!).
 goto: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html"
 // We use this assert-position to know where we will click.
-assert-position: ("//*[@id='1']", {"x": 104, "y": 112})
+assert-position: ("//*[@id='1']", {"x": 88, "y": 112})
 // We click on the left of the "1" anchor but still in the "src-line-number" `<pre>`.
-click: (103, 103)
+click: (87, 103)
 assert-document-property: ({"URL": "/lib.rs.html"}, ENDS_WITH)
 
 // Checking the source code sidebar.
diff --git a/src/test/ui/suggestions/issue-105494.rs b/src/test/ui/suggestions/issue-105494.rs
new file mode 100644
index 00000000000..8b409232c20
--- /dev/null
+++ b/src/test/ui/suggestions/issue-105494.rs
@@ -0,0 +1,22 @@
+fn test1() {
+    let _v: i32 = (1 as i32).to_string(); //~ ERROR mismatched types
+
+    // won't suggestion
+    let _v: i32 = (1 as i128).to_string(); //~ ERROR mismatched types
+
+    let _v: &str = "foo".to_string(); //~ ERROR mismatched types
+}
+
+fn test2() {
+    let mut path: String = "/usr".to_string();
+    let folder: String = "lib".to_string();
+
+    path = format!("{}/{}", path, folder).as_str(); //~ ERROR mismatched types
+
+    println!("{}", &path);
+}
+
+fn main() {
+    test1();
+    test2();
+}
diff --git a/src/test/ui/suggestions/issue-105494.stderr b/src/test/ui/suggestions/issue-105494.stderr
new file mode 100644
index 00000000000..5aa3f2af738
--- /dev/null
+++ b/src/test/ui/suggestions/issue-105494.stderr
@@ -0,0 +1,54 @@
+error[E0308]: mismatched types
+  --> $DIR/issue-105494.rs:2:19
+   |
+LL |     let _v: i32 = (1 as i32).to_string();
+   |             ---   ^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found struct `String`
+   |             |
+   |             expected due to this
+   |
+help: try removing the method call
+   |
+LL -     let _v: i32 = (1 as i32).to_string();
+LL +     let _v: i32 = (1 as i32);
+   |
+
+error[E0308]: mismatched types
+  --> $DIR/issue-105494.rs:5:19
+   |
+LL |     let _v: i32 = (1 as i128).to_string();
+   |             ---   ^^^^^^^^^^^^^^^^^^^^^^^ expected `i32`, found struct `String`
+   |             |
+   |             expected due to this
+
+error[E0308]: mismatched types
+  --> $DIR/issue-105494.rs:7:20
+   |
+LL |     let _v: &str = "foo".to_string();
+   |             ----   ^^^^^^^^^^^^^^^^^ expected `&str`, found struct `String`
+   |             |
+   |             expected due to this
+   |
+help: try removing the method call
+   |
+LL -     let _v: &str = "foo".to_string();
+LL +     let _v: &str = "foo";
+   |
+
+error[E0308]: mismatched types
+  --> $DIR/issue-105494.rs:14:12
+   |
+LL |     let mut path: String = "/usr".to_string();
+   |                   ------ expected due to this type
+...
+LL |     path = format!("{}/{}", path, folder).as_str();
+   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected struct `String`, found `&str`
+   |
+help: try removing the method call
+   |
+LL -     path = format!("{}/{}", path, folder).as_str();
+LL +     path = format!("{}/{}", path, folder);
+   |
+
+error: aborting due to 4 previous errors
+
+For more information about this error, try `rustc --explain E0308`.