Add <meta charset="utf-8"> to -Zdump-mir-spanview output

Zalathar · Zalathar · commit 3eddb2955578 · 2023-06-17T18:31:35.000+10:00
diff --git a/compiler/rustc_middle/src/mir/spanview.rs b/compiler/rustc_middle/src/mir/spanview.rs
@@ -15,8 +15,9 @@ const ANNOTATION_LEFT_BRACKET: char = '\u{298a}'; // Unicode `Z NOTATION RIGHT B
 const ANNOTATION_RIGHT_BRACKET: char = '\u{2989}'; // Unicode `Z NOTATION LEFT BINDING BRACKET`
 const NEW_LINE_SPAN: &str = "</span>\n<span class=\"line\">";
 const HEADER: &str = r#"<!DOCTYPE html>
-<html>
-<head>"#;
+<html lang="en">
+<head>
+<meta charset="utf-8">"#;
 const START_BODY: &str = r#"</head>
 <body>"#;
 const FOOTER: &str = r#"</body>
diff --git a/tests/mir-opt/spanview_block.main.built.after.html b/tests/mir-opt/spanview_block.main.built.after.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
+<meta charset="utf-8">
 <title>spanview_block.main.built.after</title>
 <style>
     .line {
diff --git a/tests/mir-opt/spanview_statement.main.built.after.html b/tests/mir-opt/spanview_statement.main.built.after.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
+<meta charset="utf-8">
 <title>spanview_statement.main.built.after</title>
 <style>
     .line {
diff --git a/tests/mir-opt/spanview_terminator.main.built.after.html b/tests/mir-opt/spanview_terminator.main.built.after.html
@@ -1,6 +1,7 @@
 <!DOCTYPE html>
-<html>
+<html lang="en">
 <head>
+<meta charset="utf-8">
 <title>spanview_terminator.main.built.after</title>
 <style>
     .line {
