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-rw-r--r--src/librustc_builtin_macros/assert.rs2
-rw-r--r--src/librustc_errors/lib.rs2
-rw-r--r--src/librustc_expand/mbe/macro_parser.rs2
-rw-r--r--src/librustc_parse/parser/diagnostics.rs11
-rw-r--r--src/librustc_parse/parser/expr.rs2
-rw-r--r--src/librustc_parse/parser/item.rs6
-rw-r--r--src/librustc_parse/parser/mod.rs2
-rw-r--r--src/librustc_span/source_map.rs2
-rw-r--r--src/librustc_typeck/check/callee.rs5
-rw-r--r--src/librustc_typeck/check/mod.rs3
-rw-r--r--src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.rs6
-rw-r--r--src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.stderr17
-rw-r--r--src/test/ui/issues/issue-68091-unicode-ident-after-if.rs9
-rw-r--r--src/test/ui/issues/issue-68091-unicode-ident-after-if.stderr18
-rw-r--r--src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.rs9
-rw-r--r--src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.stderr8
16 files changed, 83 insertions, 21 deletions
diff --git a/src/librustc_builtin_macros/assert.rs b/src/librustc_builtin_macros/assert.rs
index c96ba516f0c..a992b6e2662 100644
--- a/src/librustc_builtin_macros/assert.rs
+++ b/src/librustc_builtin_macros/assert.rs
@@ -106,7 +106,7 @@ fn parse_assert<'a>(
     let custom_message =
         if let token::Literal(token::Lit { kind: token::Str, .. }) = parser.token.kind {
             let mut err = cx.struct_span_warn(parser.token.span, "unexpected string literal");
-            let comma_span = cx.source_map().next_point(parser.prev_span);
+            let comma_span = parser.prev_span.shrink_to_hi();
             err.span_suggestion_short(
                 comma_span,
                 "try adding a comma",
diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs
index 99a6d6f8ec2..e24e8719133 100644
--- a/src/librustc_errors/lib.rs
+++ b/src/librustc_errors/lib.rs
@@ -182,7 +182,7 @@ impl CodeSuggestion {
 
                 // Find the bounding span.
                 let lo = substitution.parts.iter().map(|part| part.span.lo()).min().unwrap();
-                let hi = substitution.parts.iter().map(|part| part.span.hi()).min().unwrap();
+                let hi = substitution.parts.iter().map(|part| part.span.hi()).max().unwrap();
                 let bounding_span = Span::with_root_ctxt(lo, hi);
                 let lines = cm.span_to_lines(bounding_span).unwrap();
                 assert!(!lines.lines.is_empty());
diff --git a/src/librustc_expand/mbe/macro_parser.rs b/src/librustc_expand/mbe/macro_parser.rs
index 441c1b75a7c..246f66084b8 100644
--- a/src/librustc_expand/mbe/macro_parser.rs
+++ b/src/librustc_expand/mbe/macro_parser.rs
@@ -696,7 +696,7 @@ pub(super) fn parse(
                         if parser.token.span.is_dummy() {
                             parser.token.span
                         } else {
-                            sess.source_map().next_point(parser.token.span)
+                            parser.token.span.shrink_to_hi()
                         },
                     ),
                     "missing tokens in macro arguments",
diff --git a/src/librustc_parse/parser/diagnostics.rs b/src/librustc_parse/parser/diagnostics.rs
index d321383424c..a5056c1665e 100644
--- a/src/librustc_parse/parser/diagnostics.rs
+++ b/src/librustc_parse/parser/diagnostics.rs
@@ -259,10 +259,7 @@ impl<'a> Parser<'a> {
             };
             (
                 format!("expected one of {}, found {}", expect, actual),
-                (
-                    self.sess.source_map().next_point(self.prev_span),
-                    format!("expected one of {}", short_expect),
-                ),
+                (self.prev_span.shrink_to_hi(), format!("expected one of {}", short_expect)),
             )
         } else if expected.is_empty() {
             (
@@ -272,7 +269,7 @@ impl<'a> Parser<'a> {
         } else {
             (
                 format!("expected {}, found {}", expect, actual),
-                (self.sess.source_map().next_point(self.prev_span), format!("expected {}", expect)),
+                (self.prev_span.shrink_to_hi(), format!("expected {}", expect)),
             )
         };
         self.last_unexpected_token_span = Some(self.token.span);
@@ -803,7 +800,7 @@ impl<'a> Parser<'a> {
             _ if self.prev_span == DUMMY_SP => (self.token.span, self.token.span),
             // EOF, don't want to point at the following char, but rather the last token.
             (token::Eof, None) => (self.prev_span, self.token.span),
-            _ => (self.sess.source_map().next_point(self.prev_span), self.token.span),
+            _ => (self.prev_span.shrink_to_hi(), self.token.span),
         };
         let msg = format!(
             "expected `{}`, found {}",
@@ -1126,7 +1123,7 @@ impl<'a> Parser<'a> {
                     err.span_label(sp, "unclosed delimiter");
                 }
                 err.span_suggestion_short(
-                    self.sess.source_map().next_point(self.prev_span),
+                    self.prev_span.shrink_to_hi(),
                     &format!("{} may belong here", delim.to_string()),
                     delim.to_string(),
                     Applicability::MaybeIncorrect,
diff --git a/src/librustc_parse/parser/expr.rs b/src/librustc_parse/parser/expr.rs
index 2d6a94ce620..b0c78ad7e4b 100644
--- a/src/librustc_parse/parser/expr.rs
+++ b/src/librustc_parse/parser/expr.rs
@@ -1645,7 +1645,7 @@ impl<'a> Parser<'a> {
                             //   |      |
                             //   |      parsed until here as `"y" & X`
                             err.span_suggestion_short(
-                                cm.next_point(arm_start_span),
+                                arm_start_span.shrink_to_hi(),
                                 "missing a comma here to end this `match` arm",
                                 ",".to_owned(),
                                 Applicability::MachineApplicable,
diff --git a/src/librustc_parse/parser/item.rs b/src/librustc_parse/parser/item.rs
index f6199da3f1d..d4756dff49a 100644
--- a/src/librustc_parse/parser/item.rs
+++ b/src/librustc_parse/parser/item.rs
@@ -1510,7 +1510,7 @@ impl<'a> Parser<'a> {
                 }
             }
             _ => {
-                let sp = self.sess.source_map().next_point(self.prev_span);
+                let sp = self.prev_span.shrink_to_hi();
                 let mut err = self.struct_span_err(
                     sp,
                     &format!("expected `,`, or `}}`, found {}", super::token_descr(&self.token)),
@@ -1649,7 +1649,7 @@ impl<'a> Parser<'a> {
             // it's safe to peel off one character only when it has the close delim
             self.prev_span.with_lo(self.prev_span.hi() - BytePos(1))
         } else {
-            self.sess.source_map().next_point(self.prev_span)
+            self.prev_span.shrink_to_hi()
         };
 
         self.struct_span_err(
@@ -1665,7 +1665,7 @@ impl<'a> Parser<'a> {
             Applicability::MaybeIncorrect,
         )
         .span_suggestion(
-            self.sess.source_map().next_point(self.prev_span),
+            self.prev_span.shrink_to_hi(),
             "add a semicolon",
             ';'.to_string(),
             Applicability::MaybeIncorrect,
diff --git a/src/librustc_parse/parser/mod.rs b/src/librustc_parse/parser/mod.rs
index 8d695eda98d..a1035d320b3 100644
--- a/src/librustc_parse/parser/mod.rs
+++ b/src/librustc_parse/parser/mod.rs
@@ -765,7 +765,7 @@ impl<'a> Parser<'a> {
                             break;
                         }
                         Err(mut expect_err) => {
-                            let sp = self.sess.source_map().next_point(self.prev_span);
+                            let sp = self.prev_span.shrink_to_hi();
                             let token_str = pprust::token_kind_to_string(t);
 
                             // Attempt to keep parsing if it was a similar separator.
diff --git a/src/librustc_span/source_map.rs b/src/librustc_span/source_map.rs
index ec1f9f3a7bd..fb5fcf4a830 100644
--- a/src/librustc_span/source_map.rs
+++ b/src/librustc_span/source_map.rs
@@ -710,7 +710,7 @@ impl SourceMap {
     pub fn next_point(&self, sp: Span) -> Span {
         let start_of_next_point = sp.hi().0;
 
-        let width = self.find_width_of_character_at_span(sp, true);
+        let width = self.find_width_of_character_at_span(sp.shrink_to_hi(), true);
         // If the width is 1, then the next span should point to the same `lo` and `hi`. However,
         // in the case of a multibyte character, where the width != 1, the next span should
         // span multiple bytes to include the whole character.
diff --git a/src/librustc_typeck/check/callee.rs b/src/librustc_typeck/check/callee.rs
index bff6765314a..58f407b8902 100644
--- a/src/librustc_typeck/check/callee.rs
+++ b/src/librustc_typeck/check/callee.rs
@@ -240,7 +240,7 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
         ) = (parent_node, callee_node)
         {
             let start = sp.shrink_to_lo();
-            let end = self.tcx.sess.source_map().next_point(callee_span);
+            let end = callee_span.shrink_to_hi();
             err.multipart_suggestion(
                 "if you meant to create this closure and immediately call it, surround the \
                 closure with parenthesis",
@@ -317,9 +317,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                             let call_is_multiline =
                                 self.tcx.sess.source_map().is_multiline(call_expr.span);
                             if call_is_multiline {
-                                let span = self.tcx.sess.source_map().next_point(callee.span);
                                 err.span_suggestion(
-                                    span,
+                                    callee.span.shrink_to_hi(),
                                     "try adding a semicolon",
                                     ";".to_owned(),
                                     Applicability::MaybeIncorrect,
diff --git a/src/librustc_typeck/check/mod.rs b/src/librustc_typeck/check/mod.rs
index dea1be7641a..92a7e18a860 100644
--- a/src/librustc_typeck/check/mod.rs
+++ b/src/librustc_typeck/check/mod.rs
@@ -4952,9 +4952,8 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
                 | ExprKind::Loop(..)
                 | ExprKind::Match(..)
                 | ExprKind::Block(..) => {
-                    let sp = self.tcx.sess.source_map().next_point(cause_span);
                     err.span_suggestion(
-                        sp,
+                        cause_span.shrink_to_hi(),
                         "try adding a semicolon",
                         ";".to_string(),
                         Applicability::MachineApplicable,
diff --git a/src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.rs b/src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.rs
new file mode 100644
index 00000000000..3c49a5a9752
--- /dev/null
+++ b/src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.rs
@@ -0,0 +1,6 @@
+pub struct Foo {
+    pub bar: Vec<i32>ö
+    //~^ ERROR expected `,`, or `}`, found `ö`
+} //~ ERROR expected `:`, found `}`
+
+fn main() {}
diff --git a/src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.stderr b/src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.stderr
new file mode 100644
index 00000000000..ef365a61643
--- /dev/null
+++ b/src/test/ui/issues/issue-68000-unicode-ident-after-missing-comma.stderr
@@ -0,0 +1,17 @@
+error: expected `,`, or `}`, found `ö`
+  --> $DIR/issue-68000-unicode-ident-after-missing-comma.rs:2:22
+   |
+LL |     pub bar: Vec<i32>ö
+   |                      ^ help: try adding a comma: `,`
+
+error: expected `:`, found `}`
+  --> $DIR/issue-68000-unicode-ident-after-missing-comma.rs:4:1
+   |
+LL |     pub bar: Vec<i32>ö
+   |                       - expected `:`
+LL |
+LL | }
+   | ^ unexpected token
+
+error: aborting due to 2 previous errors
+
diff --git a/src/test/ui/issues/issue-68091-unicode-ident-after-if.rs b/src/test/ui/issues/issue-68091-unicode-ident-after-if.rs
new file mode 100644
index 00000000000..00f90cc73b3
--- /dev/null
+++ b/src/test/ui/issues/issue-68091-unicode-ident-after-if.rs
@@ -0,0 +1,9 @@
+macro_rules! x {
+    ($($c:tt)*) => {
+        $($c)ö* {} //~ ERROR missing condition for `if` expression
+    };             //~| ERROR mismatched types
+}
+
+fn main() {
+    x!(if);
+}
diff --git a/src/test/ui/issues/issue-68091-unicode-ident-after-if.stderr b/src/test/ui/issues/issue-68091-unicode-ident-after-if.stderr
new file mode 100644
index 00000000000..8d1a03ac207
--- /dev/null
+++ b/src/test/ui/issues/issue-68091-unicode-ident-after-if.stderr
@@ -0,0 +1,18 @@
+error: missing condition for `if` expression
+  --> $DIR/issue-68091-unicode-ident-after-if.rs:3:14
+   |
+LL |         $($c)ö* {}
+   |              ^ expected if condition here
+
+error[E0308]: mismatched types
+  --> $DIR/issue-68091-unicode-ident-after-if.rs:3:17
+   |
+LL |         $($c)ö* {}
+   |                 ^^ expected `bool`, found `()`
+...
+LL |     x!(if);
+   |     ------- in this macro invocation
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0308`.
diff --git a/src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.rs b/src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.rs
new file mode 100644
index 00000000000..1a90b4724d4
--- /dev/null
+++ b/src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.rs
@@ -0,0 +1,9 @@
+macro_rules! x {
+    ($($c:tt)*) => {
+        $($c)ö* //~ ERROR macro expansion ends with an incomplete expression: expected expression
+    };
+}
+
+fn main() {
+    x!(!);
+}
diff --git a/src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.stderr b/src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.stderr
new file mode 100644
index 00000000000..0b9c364f1f1
--- /dev/null
+++ b/src/test/ui/issues/issue-68092-unicode-ident-after-incomplete-expr.stderr
@@ -0,0 +1,8 @@
+error: macro expansion ends with an incomplete expression: expected expression
+  --> $DIR/issue-68092-unicode-ident-after-incomplete-expr.rs:3:14
+   |
+LL |         $($c)ö*
+   |              ^ expected expression
+
+error: aborting due to previous error
+
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2025-12-03 00:24:03 +0000