Auto merge of #111820 - matthiaskrgr:rollup-9sb2lw9, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #111745 (Fix overflow in error emitter)
 - #111770 (Read beta version from the version file if building from a source tarball)
 - #111797 (Migrate GUI colors test to original CSS color format)
 - #111809 (Unset MIRI_BLESS for mir-opt-level 4 miri tests)
 - #111817 (Migrate GUI colors test to original CSS color format)

r? `@ghost`
`@rustbot` modify labels: rollup

11 files changed, 180 insertions, 55 deletions

diff --git a/compiler/rustc_errors/src/emitter.rs b/compiler/rustc_errors/src/emitter.rs
index 68e57de5e08..3e38d6afb0b 100644
--- a/compiler/rustc_errors/src/emitter.rs
+++ b/compiler/rustc_errors/src/emitter.rs
@@ -2303,22 +2303,25 @@ impl EmitterWriter {
 
         // Colorize addition/replacements with green.
         for &SubstitutionHighlight { start, end } in highlight_parts {
-            // Account for tabs when highlighting (#87972).
-            let tabs: usize = line_to_add
-                .chars()
-                .take(start)
-                .map(|ch| match ch {
-                    '\t' => 3,
-                    _ => 0,
-                })
-                .sum();
-            buffer.set_style_range(
-                *row_num,
-                max_line_num_len + 3 + start + tabs,
-                max_line_num_len + 3 + end + tabs,
-                Style::Addition,
-                true,
-            );
+            // This is a no-op for empty ranges
+            if start != end {
+                // Account for tabs when highlighting (#87972).
+                let tabs: usize = line_to_add
+                    .chars()
+                    .take(start)
+                    .map(|ch| match ch {
+                        '\t' => 3,
+                        _ => 0,
+                    })
+                    .sum();
+                buffer.set_style_range(
+                    *row_num,
+                    max_line_num_len + 3 + start + tabs,
+                    max_line_num_len + 3 + end + tabs,
+                    Style::Addition,
+                    true,
+                );
+            }
         }
         *row_num += 1;
     }
diff --git a/compiler/rustc_errors/src/lib.rs b/compiler/rustc_errors/src/lib.rs
index d5855527242..5a80024f19b 100644
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -330,12 +330,11 @@ impl CodeSuggestion {
                     });
                     buf.push_str(&part.snippet);
                     let cur_hi = sm.lookup_char_pos(part.span.hi());
-                    if cur_hi.line == cur_lo.line && !part.snippet.is_empty() {
-                        // Account for the difference between the width of the current code and the
-                        // snippet being suggested, so that the *later* suggestions are correctly
-                        // aligned on the screen.
-                        acc += len - (cur_hi.col.0 - cur_lo.col.0) as isize;
-                    }
+                    // Account for the difference between the width of the current code and the
+                    // snippet being suggested, so that the *later* suggestions are correctly
+                    // aligned on the screen. Note that cur_hi and cur_lo can be on different
+                    // lines, so cur_hi.col can be smaller than cur_lo.col
+                    acc += len - (cur_hi.col.0 as isize - cur_lo.col.0 as isize);
                     prev_hi = cur_hi;
                     prev_line = sf.get_line(prev_hi.line - 1);
                     for line in part.snippet.split('\n').skip(1) {
diff --git a/src/bootstrap/builder/tests.rs b/src/bootstrap/builder/tests.rs
index c32fe59bbf0..edca8fe9b13 100644
--- a/src/bootstrap/builder/tests.rs
+++ b/src/bootstrap/builder/tests.rs
@@ -146,6 +146,22 @@ fn alias_and_path_for_library() {
     );
 }
 
+#[test]
+fn test_beta_rev_parsing() {
+    use crate::extract_beta_rev;
+
+    // single digit revision
+    assert_eq!(extract_beta_rev("1.99.9-beta.7 (xxxxxx)"), Some("7".to_string()));
+    // multiple digits
+    assert_eq!(extract_beta_rev("1.99.9-beta.777 (xxxxxx)"), Some("777".to_string()));
+    // nightly channel (no beta revision)
+    assert_eq!(extract_beta_rev("1.99.9-nightly (xxxxxx)"), None);
+    // stable channel (no beta revision)
+    assert_eq!(extract_beta_rev("1.99.9 (xxxxxxx)"), None);
+    // invalid string
+    assert_eq!(extract_beta_rev("invalid"), None);
+}
+
 mod defaults {
     use super::{configure, first, run_build};
     use crate::builder::*;
diff --git a/src/bootstrap/lib.rs b/src/bootstrap/lib.rs
index 3756976dee0..6ee50ee6573 100644
--- a/src/bootstrap/lib.rs
+++ b/src/bootstrap/lib.rs
@@ -1324,7 +1324,7 @@ impl Build {
         match &self.config.channel[..] {
             "stable" => num.to_string(),
             "beta" => {
-                if self.rust_info().is_managed_git_subrepository() && !self.config.omit_git_hash {
+                if !self.config.omit_git_hash {
                     format!("{}-beta.{}", num, self.beta_prerelease_version())
                 } else {
                     format!("{}-beta", num)
@@ -1336,18 +1336,28 @@ impl Build {
     }
 
     fn beta_prerelease_version(&self) -> u32 {
+        fn extract_beta_rev_from_file<P: AsRef<Path>>(version_file: P) -> Option<String> {
+            let version = fs::read_to_string(version_file).ok()?;
+
+            extract_beta_rev(&version)
+        }
+
         if let Some(s) = self.prerelease_version.get() {
             return s;
         }
 
-        // Figure out how many merge commits happened since we branched off master.
-        // That's our beta number!
-        // (Note that we use a `..` range, not the `...` symmetric difference.)
-        let count =
+        // First check if there is a version file available.
+        // If available, we read the beta revision from that file.
+        // This only happens when building from a source tarball when Git should not be used.
+        let count = extract_beta_rev_from_file(self.src.join("version")).unwrap_or_else(|| {
+            // Figure out how many merge commits happened since we branched off master.
+            // That's our beta number!
+            // (Note that we use a `..` range, not the `...` symmetric difference.)
             output(self.config.git().arg("rev-list").arg("--count").arg("--merges").arg(format!(
                 "refs/remotes/origin/{}..HEAD",
                 self.config.stage0_metadata.config.nightly_branch
-            )));
+            )))
+        });
         let n = count.trim().parse().unwrap();
         self.prerelease_version.set(Some(n));
         n
@@ -1707,6 +1717,17 @@ to download LLVM rather than building it.
     }
 }
 
+/// Extract the beta revision from the full version string.
+///
+/// The full version string looks like "a.b.c-beta.y". And we need to extract
+/// the "y" part from the string.
+pub fn extract_beta_rev(version: &str) -> Option<String> {
+    let parts = version.splitn(2, "-beta.").collect::<Vec<_>>();
+    let count = parts.get(1).and_then(|s| s.find(' ').map(|p| (&s[..p]).to_string()));
+
+    count
+}
+
 #[cfg(unix)]
 fn chmod(path: &Path, perms: u32) {
     use std::os::unix::fs::*;
diff --git a/src/bootstrap/test.rs b/src/bootstrap/test.rs
index 2d600704e02..2b72d6c48eb 100644
--- a/src/bootstrap/test.rs
+++ b/src/bootstrap/test.rs
@@ -620,6 +620,8 @@ impl Step for Miri {
             cargo.env("MIRIFLAGS", "-O -Zmir-opt-level=4 -Cdebug-assertions=yes");
             // Optimizations can change backtraces
             cargo.env("MIRI_SKIP_UI_CHECKS", "1");
+            // `MIRI_SKIP_UI_CHECKS` and `MIRI_BLESS` are incompatible
+            cargo.env_remove("MIRI_BLESS");
             // Optimizations can change error locations and remove UB so don't run `fail` tests.
             cargo.args(&["tests/pass", "tests/panic"]);
 
diff --git a/tests/rustdoc-gui/anchors.goml b/tests/rustdoc-gui/anchors.goml
index 0904aa90e1b..e9b77296917 100644
--- a/tests/rustdoc-gui/anchors.goml
+++ b/tests/rustdoc-gui/anchors.goml
@@ -75,35 +75,35 @@ call-function: (
     "check-colors",
     {
         "theme": "ayu",
-        "main_color": "rgb(197, 197, 197)",
-        "title_color": "rgb(255, 255, 255)",
-        "main_heading_color": "rgb(255, 255, 255)",
-        "main_heading_type_color": "rgb(255, 160, 165)",
-        "src_link_color": "rgb(57, 175, 215)",
-        "sidebar_link_color": "rgb(83, 177, 219)",
+        "main_color": "#c5c5c5",
+        "title_color": "#fff",
+        "main_heading_color": "#fff",
+        "main_heading_type_color": "#ffa0a5",
+        "src_link_color": "#39afd7",
+        "sidebar_link_color": "#53b1db",
     },
 )
 call-function: (
     "check-colors",
     {
         "theme": "dark",
-        "main_color": "rgb(221, 221, 221)",
-        "title_color": "rgb(221, 221, 221)",
-        "main_heading_color": "rgb(221, 221, 221)",
-        "main_heading_type_color": "rgb(45, 191, 184)",
-        "src_link_color": "rgb(210, 153, 29)",
-        "sidebar_link_color": "rgb(253, 191, 53)",
+        "main_color": "#ddd",
+        "title_color": "#ddd",
+        "main_heading_color": "#ddd",
+        "main_heading_type_color": "#2dbfb8",
+        "src_link_color": "#d2991d",
+        "sidebar_link_color": "#fdbf35",
     },
 )
 call-function: (
     "check-colors",
     {
         "theme": "light",
-        "main_color": "rgb(0, 0, 0)",
-        "title_color": "rgb(0, 0, 0)",
-        "main_heading_color": "rgb(0, 0, 0)",
-        "main_heading_type_color": "rgb(173, 55, 138)",
-        "src_link_color": "rgb(56, 115, 173)",
-        "sidebar_link_color": "rgb(53, 109, 164)",
+        "main_color": "black",
+        "title_color": "black",
+        "main_heading_color": "black",
+        "main_heading_type_color": "#ad378a",
+        "src_link_color": "#3873ad",
+        "sidebar_link_color": "#356da4",
     },
 )
diff --git a/tests/rustdoc-gui/codeblock-tooltip.goml b/tests/rustdoc-gui/codeblock-tooltip.goml
index 2ed0579d314..e1c81ed79e4 100644
--- a/tests/rustdoc-gui/codeblock-tooltip.goml
+++ b/tests/rustdoc-gui/codeblock-tooltip.goml
@@ -109,19 +109,19 @@ define-function: (
 
 call-function: ("check-colors", {
     "theme": "ayu",
-    "background": "rgb(15, 20, 25)",
-    "color": "rgb(197, 197, 197)",
-    "border": "rgb(92, 103, 115)",
+    "background": "#0f1419",
+    "color": "#c5c5c5",
+    "border": "#5c6773",
 })
 call-function: ("check-colors", {
     "theme": "dark",
-    "background": "rgb(53, 53, 53)",
-    "color": "rgb(221, 221, 221)",
-    "border": "rgb(224, 224, 224)",
+    "background": "#353535",
+    "color": "#ddd",
+    "border": "#e0e0e0",
 })
 call-function: ("check-colors", {
     "theme": "light",
-    "background": "rgb(255, 255, 255)",
-    "color": "rgb(0, 0, 0)",
-    "border": "rgb(224, 224, 224)",
+    "background": "white",
+    "color": "black",
+    "border": "#e0e0e0",
 })
diff --git a/tests/ui/suggestions/issue-109854.rs b/tests/ui/suggestions/issue-109854.rs
new file mode 100644
index 00000000000..dd4542dd71f
--- /dev/null
+++ b/tests/ui/suggestions/issue-109854.rs
@@ -0,0 +1,12 @@
+fn generate_setter() {
+    String::with_capacity(
+    //~^ ERROR this function takes 1 argument but 3 arguments were supplied
+    generate_setter,
+    r#"
+pub(crate) struct Person<T: Clone> {}
+"#,
+     r#""#,
+    );
+}
+
+fn main() {}
diff --git a/tests/ui/suggestions/issue-109854.stderr b/tests/ui/suggestions/issue-109854.stderr
new file mode 100644
index 00000000000..621a3897165
--- /dev/null
+++ b/tests/ui/suggestions/issue-109854.stderr
@@ -0,0 +1,31 @@
+error[E0061]: this function takes 1 argument but 3 arguments were supplied
+  --> $DIR/issue-109854.rs:2:5
+   |
+LL |       String::with_capacity(
+   |       ^^^^^^^^^^^^^^^^^^^^^
+...
+LL | /     r#"
+LL | | pub(crate) struct Person<T: Clone> {}
+LL | | "#,
+   | |__- unexpected argument of type `&'static str`
+LL |        r#""#,
+   |        ----- unexpected argument of type `&'static str`
+   |
+note: expected `usize`, found fn item
+  --> $DIR/issue-109854.rs:4:5
+   |
+LL |     generate_setter,
+   |     ^^^^^^^^^^^^^^^
+   = note: expected type `usize`
+           found fn item `fn() {generate_setter}`
+note: associated function defined here
+  --> $SRC_DIR/alloc/src/string.rs:LL:COL
+help: remove the extra arguments
+   |
+LL -     generate_setter,
+LL +     /* usize */,
+   |
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0061`.
diff --git a/tests/ui/suggestions/issue-94171.rs b/tests/ui/suggestions/issue-94171.rs
new file mode 100644
index 00000000000..cbb9f9cec72
--- /dev/null
+++ b/tests/ui/suggestions/issue-94171.rs
@@ -0,0 +1,5 @@
+fn L(]{match
+(; {`
+//~^^ ERROR mismatched closing delimiter
+//~^^ ERROR unknown start of token
+//~ ERROR this file contains an unclosed delimiter
diff --git a/tests/ui/suggestions/issue-94171.stderr b/tests/ui/suggestions/issue-94171.stderr
new file mode 100644
index 00000000000..b3440e46e8a
--- /dev/null
+++ b/tests/ui/suggestions/issue-94171.stderr
@@ -0,0 +1,36 @@
+error: unknown start of token: `
+  --> $DIR/issue-94171.rs:2:5
+   |
+LL | (; {`
+   |     ^
+   |
+help: Unicode character '`' (Grave Accent) looks like ''' (Single Quote), but it is not
+   |
+LL | (; {'
+   |     ~
+
+error: mismatched closing delimiter: `]`
+  --> $DIR/issue-94171.rs:1:5
+   |
+LL | fn L(]{match
+   |     ^^ mismatched closing delimiter
+   |     |
+   |     unclosed delimiter
+
+error: this file contains an unclosed delimiter
+  --> $DIR/issue-94171.rs:5:52
+   |
+LL | fn L(]{match
+   |      -- unclosed delimiter
+   |      |
+   |      missing open `[` for this delimiter
+LL | (; {`
+   | -  - unclosed delimiter
+   | |
+   | unclosed delimiter
+...
+LL |
+   |                                                    ^
+
+error: aborting due to 3 previous errors
+