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-rw-r--r--src/test/mir-opt/spanview-block.rs5
-rw-r--r--src/test/mir-opt/spanview-statement.rs5
-rw-r--r--src/test/mir-opt/spanview-terminator.rs5
-rw-r--r--src/test/mir-opt/spanview_block.main.mir_map.0.html67
-rw-r--r--src/test/mir-opt/spanview_statement.main.mir_map.0.html67
-rw-r--r--src/test/mir-opt/spanview_terminator.main.mir_map.0.html66
-rw-r--r--src/test/rustdoc/index-page.rs4
-rw-r--r--src/test/ui/consts/std/net/ipv6.rs53
-rw-r--r--src/test/ui/macros/duplicate-builtin.rs17
-rw-r--r--src/test/ui/macros/duplicate-builtin.stderr21
-rw-r--r--src/test/ui/macros/unknown-builtin.rs4
-rw-r--r--src/test/ui/macros/unknown-builtin.stderr9
-rw-r--r--src/test/ui/parser/shebang/shebang-doc-comment.rs5
-rw-r--r--src/test/ui/parser/shebang/shebang-doc-comment.stderr8
14 files changed, 323 insertions, 13 deletions
diff --git a/src/test/mir-opt/spanview-block.rs b/src/test/mir-opt/spanview-block.rs
new file mode 100644
index 00000000000..fc1d6e0ede6
--- /dev/null
+++ b/src/test/mir-opt/spanview-block.rs
@@ -0,0 +1,5 @@
+// Test spanview block output
+// compile-flags: -Z dump-mir-spanview=block
+
+// EMIT_MIR spanview_block.main.mir_map.0.html
+fn main() {}
diff --git a/src/test/mir-opt/spanview-statement.rs b/src/test/mir-opt/spanview-statement.rs
new file mode 100644
index 00000000000..a43ad5e71a3
--- /dev/null
+++ b/src/test/mir-opt/spanview-statement.rs
@@ -0,0 +1,5 @@
+// Test spanview output (the default value for `-Z dump-mir-spanview` is "statement")
+// compile-flags: -Z dump-mir-spanview
+
+// EMIT_MIR spanview_statement.main.mir_map.0.html
+fn main() {}
diff --git a/src/test/mir-opt/spanview-terminator.rs b/src/test/mir-opt/spanview-terminator.rs
new file mode 100644
index 00000000000..92e1411eadb
--- /dev/null
+++ b/src/test/mir-opt/spanview-terminator.rs
@@ -0,0 +1,5 @@
+// Test spanview terminator output
+// compile-flags: -Z dump-mir-spanview=terminator
+
+// EMIT_MIR spanview_terminator.main.mir_map.0.html
+fn main() {}
diff --git a/src/test/mir-opt/spanview_block.main.mir_map.0.html b/src/test/mir-opt/spanview_block.main.mir_map.0.html
new file mode 100644
index 00000000000..7c1b7bc3b84
--- /dev/null
+++ b/src/test/mir-opt/spanview_block.main.mir_map.0.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>coverage_of_if_else - Code Regions</title>
+    <style>
+    .line {
+        counter-increment: line;
+    }
+    .line:before {
+        content: counter(line) ": ";
+        font-family: Menlo, Monaco, monospace;
+        font-style: italic;
+        width: 3.8em;
+        display: inline-block;
+        text-align: right;
+        filter: opacity(50%);
+        -webkit-user-select: none;
+    }
+    .code {
+        color: #dddddd;
+        background-color: #222222;
+        font-family: Menlo, Monaco, monospace;
+        line-height: 1.4em;
+        border-bottom: 2px solid #222222;
+        white-space: pre;
+        display: inline-block;
+    }
+    .odd {
+        background-color: #55bbff;
+        color: #223311;
+    }
+    .even {
+        background-color: #ee7756;
+        color: #551133;
+    }
+    .code {
+        --index: calc(var(--layer) - 1);
+        padding-top: calc(var(--index) * 0.15em);
+        filter:
+            hue-rotate(calc(var(--index) * 25deg))
+            saturate(calc(100% - (var(--index) * 2%)))
+            brightness(calc(100% - (var(--index) * 1.5%)));
+    }
+    .annotation {
+        color: #4444ff;
+        font-family: monospace;
+        font-style: italic;
+        display: none;
+        -webkit-user-select: none;
+    }
+    body:active .annotation {
+        /* requires holding mouse down anywhere on the page */
+        display: inline-block;
+    }
+    span:hover .annotation {
+        /* requires hover over a span ONLY on its first line */
+        display: inline-block;
+    }
+    </style>
+</head>
+<body>
+<div class="code" style="counter-reset: line 4"><span class="line"><span class="code" style="--layer: 0">fn main() </span><span><span class="code even" style="--layer: 1" title="bb0: $DIR/spanview-block.rs:5:11: 5:13:
+    5:11-5:13: Assign: _0 = const ()
+    5:13-5:13: Goto: goto -&gt; bb2"><span class="annotation">@bb0:</span> {}</span></span><span><span class="code even" style="--layer: 1" title="bb2: $DIR/spanview-block.rs:5:13: 5:13:
+    5:13-5:13: Return: return"><span class="annotation">@bb2</span></span></span></span></div>
+</body>
+</html>
diff --git a/src/test/mir-opt/spanview_statement.main.mir_map.0.html b/src/test/mir-opt/spanview_statement.main.mir_map.0.html
new file mode 100644
index 00000000000..f8662a3277a
--- /dev/null
+++ b/src/test/mir-opt/spanview_statement.main.mir_map.0.html
@@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>coverage_of_if_else - Code Regions</title>
+    <style>
+    .line {
+        counter-increment: line;
+    }
+    .line:before {
+        content: counter(line) ": ";
+        font-family: Menlo, Monaco, monospace;
+        font-style: italic;
+        width: 3.8em;
+        display: inline-block;
+        text-align: right;
+        filter: opacity(50%);
+        -webkit-user-select: none;
+    }
+    .code {
+        color: #dddddd;
+        background-color: #222222;
+        font-family: Menlo, Monaco, monospace;
+        line-height: 1.4em;
+        border-bottom: 2px solid #222222;
+        white-space: pre;
+        display: inline-block;
+    }
+    .odd {
+        background-color: #55bbff;
+        color: #223311;
+    }
+    .even {
+        background-color: #ee7756;
+        color: #551133;
+    }
+    .code {
+        --index: calc(var(--layer) - 1);
+        padding-top: calc(var(--index) * 0.15em);
+        filter:
+            hue-rotate(calc(var(--index) * 25deg))
+            saturate(calc(100% - (var(--index) * 2%)))
+            brightness(calc(100% - (var(--index) * 1.5%)));
+    }
+    .annotation {
+        color: #4444ff;
+        font-family: monospace;
+        font-style: italic;
+        display: none;
+        -webkit-user-select: none;
+    }
+    body:active .annotation {
+        /* requires holding mouse down anywhere on the page */
+        display: inline-block;
+    }
+    span:hover .annotation {
+        /* requires hover over a span ONLY on its first line */
+        display: inline-block;
+    }
+    </style>
+</head>
+<body>
+<div class="code" style="counter-reset: line 4"><span class="line"><span class="code" style="--layer: 0">fn main() </span><span><span class="code even" style="--layer: 1" title="bb0[0]: $DIR/spanview-statement.rs:5:11: 5:13:
+    5:11-5:13: Assign: _0 = const ()"><span class="annotation">@bb0[0]:</span> {}</span></span><span><span class="code even" style="--layer: 1" title="bb0`Goto`: $DIR/spanview-statement.rs:5:13: 5:13:
+    5:13-5:13: Goto: goto -&gt; bb2"><span class="annotation">@bb0`Goto`</span></span></span><span><span class="code even" style="--layer: 1" title="bb2`Return`: $DIR/spanview-statement.rs:5:13: 5:13:
+    5:13-5:13: Return: return"><span class="annotation">@bb2`Return`</span></span></span></span></div>
+</body>
+</html>
diff --git a/src/test/mir-opt/spanview_terminator.main.mir_map.0.html b/src/test/mir-opt/spanview_terminator.main.mir_map.0.html
new file mode 100644
index 00000000000..d0a11a8d262
--- /dev/null
+++ b/src/test/mir-opt/spanview_terminator.main.mir_map.0.html
@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <title>coverage_of_if_else - Code Regions</title>
+    <style>
+    .line {
+        counter-increment: line;
+    }
+    .line:before {
+        content: counter(line) ": ";
+        font-family: Menlo, Monaco, monospace;
+        font-style: italic;
+        width: 3.8em;
+        display: inline-block;
+        text-align: right;
+        filter: opacity(50%);
+        -webkit-user-select: none;
+    }
+    .code {
+        color: #dddddd;
+        background-color: #222222;
+        font-family: Menlo, Monaco, monospace;
+        line-height: 1.4em;
+        border-bottom: 2px solid #222222;
+        white-space: pre;
+        display: inline-block;
+    }
+    .odd {
+        background-color: #55bbff;
+        color: #223311;
+    }
+    .even {
+        background-color: #ee7756;
+        color: #551133;
+    }
+    .code {
+        --index: calc(var(--layer) - 1);
+        padding-top: calc(var(--index) * 0.15em);
+        filter:
+            hue-rotate(calc(var(--index) * 25deg))
+            saturate(calc(100% - (var(--index) * 2%)))
+            brightness(calc(100% - (var(--index) * 1.5%)));
+    }
+    .annotation {
+        color: #4444ff;
+        font-family: monospace;
+        font-style: italic;
+        display: none;
+        -webkit-user-select: none;
+    }
+    body:active .annotation {
+        /* requires holding mouse down anywhere on the page */
+        display: inline-block;
+    }
+    span:hover .annotation {
+        /* requires hover over a span ONLY on its first line */
+        display: inline-block;
+    }
+    </style>
+</head>
+<body>
+<div class="code" style="counter-reset: line 4"><span class="line"><span class="code" style="--layer: 0">fn main() {}</span><span><span class="code even" style="--layer: 1" title="bb0`Goto`: $DIR/spanview-terminator.rs:5:13: 5:13:
+    5:13-5:13: Goto: goto -&gt; bb2"><span class="annotation">@bb0`Goto`</span></span></span><span><span class="code even" style="--layer: 1" title="bb2`Return`: $DIR/spanview-terminator.rs:5:13: 5:13:
+    5:13-5:13: Return: return"><span class="annotation">@bb2`Return`</span></span></span></span></div>
+</body>
+</html>
diff --git a/src/test/rustdoc/index-page.rs b/src/test/rustdoc/index-page.rs
index f0476f083b8..be668a1276a 100644
--- a/src/test/rustdoc/index-page.rs
+++ b/src/test/rustdoc/index-page.rs
@@ -6,6 +6,6 @@
 
 // @has foo/../index.html
 // @has - '//span[@class="in-band"]' 'List of all crates'
-// @has - '//ul[@class="mod"]//a[@href="foo/index.html"]' 'foo'
-// @has - '//ul[@class="mod"]//a[@href="all_item_types/index.html"]' 'all_item_types'
+// @has - '//ul[@class="crate mod"]//a[@href="foo/index.html"]' 'foo'
+// @has - '//ul[@class="crate mod"]//a[@href="all_item_types/index.html"]' 'all_item_types'
 pub struct Foo;
diff --git a/src/test/ui/consts/std/net/ipv6.rs b/src/test/ui/consts/std/net/ipv6.rs
new file mode 100644
index 00000000000..e3841c38c22
--- /dev/null
+++ b/src/test/ui/consts/std/net/ipv6.rs
@@ -0,0 +1,53 @@
+// run-pass
+
+#![feature(ip)]
+#![feature(const_ipv6)]
+
+use std::net::{Ipv4Addr, Ipv6Addr, Ipv6MulticastScope};
+
+fn main() {
+    const IP_ADDRESS : Ipv6Addr = Ipv6Addr::new(0, 0, 0, 0, 0, 0, 0, 1);
+    assert_eq!(IP_ADDRESS, Ipv6Addr::LOCALHOST);
+
+    const SEGMENTS : [u16; 8] = IP_ADDRESS.segments();
+    assert_eq!(SEGMENTS, [0 ,0 ,0 ,0 ,0 ,0 ,0, 1]);
+
+    const OCTETS : [u8; 16] = IP_ADDRESS.octets();
+    assert_eq!(OCTETS, [0 ,0 ,0 ,0 ,0 ,0 ,0, 0 ,0 ,0 ,0 ,0 ,0 ,0, 0, 1]);
+
+    const IS_UNSPECIFIED : bool = IP_ADDRESS.is_unspecified();
+    assert!(!IS_UNSPECIFIED);
+
+    const IS_LOOPBACK : bool = IP_ADDRESS.is_loopback();
+    assert!(IS_LOOPBACK);
+
+    const IS_GLOBAL : bool = IP_ADDRESS.is_global();
+    assert!(!IS_GLOBAL);
+
+    const IS_UNIQUE_LOCAL : bool = IP_ADDRESS.is_unique_local();
+    assert!(!IS_UNIQUE_LOCAL);
+
+    const IS_UNICAST_LINK_LOCAL_STRICT : bool = IP_ADDRESS.is_unicast_link_local_strict();
+    assert!(!IS_UNICAST_LINK_LOCAL_STRICT);
+
+    const IS_UNICAST_LINK_LOCAL : bool = IP_ADDRESS.is_unicast_link_local();
+    assert!(!IS_UNICAST_LINK_LOCAL);
+
+    const IS_UNICAST_SITE_LOCAL : bool = IP_ADDRESS.is_unicast_site_local();
+    assert!(!IS_UNICAST_SITE_LOCAL);
+
+    const IS_DOCUMENTATION : bool = IP_ADDRESS.is_documentation();
+    assert!(!IS_DOCUMENTATION);
+
+    const IS_UNICAST_GLOBAL : bool = IP_ADDRESS.is_unicast_global();
+    assert!(!IS_UNICAST_GLOBAL);
+
+    const MULTICAST_SCOPE : Option<Ipv6MulticastScope> = IP_ADDRESS.multicast_scope();
+    assert_eq!(MULTICAST_SCOPE, None);
+
+    const IS_MULTICAST : bool = IP_ADDRESS.is_multicast();
+    assert!(!IS_MULTICAST);
+
+    const IP_V4 : Option<Ipv4Addr> = IP_ADDRESS.to_ipv4();
+    assert_eq!(IP_V4.unwrap(), Ipv4Addr::new(0, 0, 0, 1));
+}
diff --git a/src/test/ui/macros/duplicate-builtin.rs b/src/test/ui/macros/duplicate-builtin.rs
new file mode 100644
index 00000000000..35f0f429059
--- /dev/null
+++ b/src/test/ui/macros/duplicate-builtin.rs
@@ -0,0 +1,17 @@
+// compile-flags:--crate-type lib
+#![feature(decl_macro)]
+#![feature(rustc_attrs)]
+
+#[rustc_builtin_macro]
+pub macro test($item:item) {
+//~^ NOTE previously defined
+    /* compiler built-in */
+}
+
+mod inner {
+    #[rustc_builtin_macro]
+    pub macro test($item:item) {
+    //~^ ERROR attempted to define built-in macro more than once [E0773]
+        /* compiler built-in */
+    }
+}
diff --git a/src/test/ui/macros/duplicate-builtin.stderr b/src/test/ui/macros/duplicate-builtin.stderr
new file mode 100644
index 00000000000..58accea27bb
--- /dev/null
+++ b/src/test/ui/macros/duplicate-builtin.stderr
@@ -0,0 +1,21 @@
+error[E0773]: attempted to define built-in macro more than once
+  --> $DIR/duplicate-builtin.rs:13:5
+   |
+LL | /     pub macro test($item:item) {
+LL | |
+LL | |         /* compiler built-in */
+LL | |     }
+   | |_____^
+   |
+note: previously defined here
+  --> $DIR/duplicate-builtin.rs:6:1
+   |
+LL | / pub macro test($item:item) {
+LL | |
+LL | |     /* compiler built-in */
+LL | | }
+   | |_^
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0773`.
diff --git a/src/test/ui/macros/unknown-builtin.rs b/src/test/ui/macros/unknown-builtin.rs
index a96b99ae4ff..16f9139e647 100644
--- a/src/test/ui/macros/unknown-builtin.rs
+++ b/src/test/ui/macros/unknown-builtin.rs
@@ -1,4 +1,4 @@
-// error-pattern: cannot find a built-in macro with name `line`
+// error-pattern: attempted to define built-in macro more than once
 
 #![feature(rustc_attrs)]
 
@@ -6,7 +6,7 @@
 macro_rules! unknown { () => () } //~ ERROR cannot find a built-in macro with name `unknown`
 
 #[rustc_builtin_macro]
-macro_rules! line { () => () }
+macro_rules! line { () => () } //~ NOTE previously defined here
 
 fn main() {
     line!();
diff --git a/src/test/ui/macros/unknown-builtin.stderr b/src/test/ui/macros/unknown-builtin.stderr
index 4b650b2c475..7b04e05293e 100644
--- a/src/test/ui/macros/unknown-builtin.stderr
+++ b/src/test/ui/macros/unknown-builtin.stderr
@@ -4,7 +4,7 @@ error: cannot find a built-in macro with name `unknown`
 LL | macro_rules! unknown { () => () }
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
-error: cannot find a built-in macro with name `line`
+error[E0773]: attempted to define built-in macro more than once
   --> $SRC_DIR/core/src/macros/mod.rs:LL:COL
    |
 LL | /     macro_rules! line {
@@ -13,6 +13,13 @@ LL | |             /* compiler built-in */
 LL | |         };
 LL | |     }
    | |_____^
+   |
+note: previously defined here
+  --> $DIR/unknown-builtin.rs:9:1
+   |
+LL | macro_rules! line { () => () }
+   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
 error: aborting due to 2 previous errors
 
+For more information about this error, try `rustc --explain E0773`.
diff --git a/src/test/ui/parser/shebang/shebang-doc-comment.rs b/src/test/ui/parser/shebang/shebang-doc-comment.rs
index 7dbb9eebc75..72866753e0e 100644
--- a/src/test/ui/parser/shebang/shebang-doc-comment.rs
+++ b/src/test/ui/parser/shebang/shebang-doc-comment.rs
@@ -1,6 +1,3 @@
 #!///bin/bash
 [allow(unused_variables)]
-//~^^ ERROR expected `[`, found doc comment
-
-// Doc comment is misinterpreted as a whitespace (regular comment) during shebang detection.
-// Even if it wasn't, it would still result in an error, just a different one.
+//~^ ERROR expected item, found `[`
diff --git a/src/test/ui/parser/shebang/shebang-doc-comment.stderr b/src/test/ui/parser/shebang/shebang-doc-comment.stderr
index f524f556837..2227d45ec5a 100644
--- a/src/test/ui/parser/shebang/shebang-doc-comment.stderr
+++ b/src/test/ui/parser/shebang/shebang-doc-comment.stderr
@@ -1,8 +1,8 @@
-error: expected `[`, found doc comment `///bin/bash`
-  --> $DIR/shebang-doc-comment.rs:1:3
+error: expected item, found `[`
+  --> $DIR/shebang-doc-comment.rs:2:1
    |
-LL | #!///bin/bash
-   |   ^^^^^^^^^^^ expected `[`
+LL | [allow(unused_variables)]
+   | ^ expected item
 
 error: aborting due to previous error
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-01-13 10:41:17 +0000