Fix quotes in output

compiler/rustc_parse_format/src/lib.rs

@@ -460,7 +460,7 @@ impl<'a> Parser<'a> {
             } else {
                 let pos = self.to_span_index(pos);
                 let description = format!("expected `'}}'`, found `{maybe:?}`");
-                let label = "expected `}`".to_owned();
+                let label = "expected `'}'`".to_owned();
                 let (note, secondary_label) = if c == '}' {
                     (
                         Some(

tests/ui/fmt/format-string-error-2.stderr

@@ -10,7 +10,7 @@ error: invalid format string: expected `'}'`, found `'a'`
 LL |     format!("{
    |              - because of this opening brace
 LL |     a");
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -21,7 +21,7 @@ LL |     format!("{ \
    |              - because of this opening brace
 LL |                \
 LL |     b");
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -29,7 +29,7 @@ error: invalid format string: expected `'}'`, found `'\'`
   --> $DIR/format-string-error-2.rs:11:18
    |
 LL |     format!(r#"{ \
-   |                - ^ expected `}` in format string
+   |                - ^ expected `'}'` in format string
    |                |
    |                because of this opening brace
    |
@@ -39,7 +39,7 @@ error: invalid format string: expected `'}'`, found `'\'`
   --> $DIR/format-string-error-2.rs:15:18
    |
 LL |     format!(r#"{ \n
-   |                - ^ expected `}` in format string
+   |                - ^ expected `'}'` in format string
    |                |
    |                because of this opening brace
    |
@@ -52,7 +52,7 @@ LL |     format!("{ \n
    |              - because of this opening brace
 LL | \n
 LL |     e");
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -62,7 +62,7 @@ error: invalid format string: expected `'}'`, found `'a'`
 LL |     {
    |     - because of this opening brace
 LL |     a");
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -72,7 +72,7 @@ error: invalid format string: expected `'}'`, found `'a'`
 LL |     {
    |     - because of this opening brace
 LL |     a
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -83,7 +83,7 @@ LL |     { \
    |     - because of this opening brace
 LL |         \
 LL |     b");
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -94,7 +94,7 @@ LL |     { \
    |     - because of this opening brace
 LL |         \
 LL |     b \
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -102,7 +102,7 @@ error: invalid format string: expected `'}'`, found `'\'`
   --> $DIR/format-string-error-2.rs:45:8
    |
 LL | raw  { \
-   |      - ^ expected `}` in format string
+   |      - ^ expected `'}'` in format string
    |      |
    |      because of this opening brace
    |
@@ -112,7 +112,7 @@ error: invalid format string: expected `'}'`, found `'\'`
   --> $DIR/format-string-error-2.rs:50:8
    |
 LL | raw  { \n
-   |      - ^ expected `}` in format string
+   |      - ^ expected `'}'` in format string
    |      |
    |      because of this opening brace
    |
@@ -125,7 +125,7 @@ LL |   { \n
    |   - because of this opening brace
 LL | \n
 LL |     e");
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 
@@ -135,7 +135,7 @@ error: invalid format string: expected `'}'`, found `'a'`
 LL |     {
    |     - because of this opening brace
 LL |     asdf}
-   |     ^ expected `}` in format string
+   |     ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`
 

tests/ui/fmt/format-string-error.stderr

@@ -62,7 +62,7 @@ error: invalid format string: expected `'}'`, found `'\'`
   --> $DIR/format-string-error.rs:19:23
    |
 LL |     let _ = format!("{\}");
-   |                      -^ expected `}` in format string
+   |                      -^ expected `'}'` in format string
    |                      |
    |                      because of this opening brace
    |

tests/ui/fmt/format-string-wrong-order.stderr

@@ -26,7 +26,7 @@ error: invalid format string: expected `'}'`, found `'?'`
   --> $DIR/format-string-wrong-order.rs:9:15
    |
 LL |     format!("{??}", bar);
-   |              -^ expected `}` in format string
+   |              -^ expected `'}'` in format string
    |              |
    |              because of this opening brace
    |
@@ -36,7 +36,7 @@ error: invalid format string: expected `'}'`, found `'?'`
   --> $DIR/format-string-wrong-order.rs:11:15
    |
 LL |     format!("{?;bar}");
-   |              -^ expected `}` in format string
+   |              -^ expected `'}'` in format string
    |              |
    |              because of this opening brace
    |

tests/ui/fmt/ifmt-bad-arg.stderr

@@ -178,7 +178,7 @@ error: invalid format string: expected `'}'`, found `'t'`
 LL | ninth number: {
    |               - because of this opening brace
 LL | tenth number: {}",
-   | ^ expected `}` in format string
+   | ^ expected `'}'` in format string
    |
    = note: if you intended to print `{`, you can escape it using `{{`