Merging upstream version 1.69.0+dfsg1.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

3 files changed, 20 insertions, 8 deletions

diff --git a/vendor/rustc-ap-rustc_lexer/.cargo-checksum.json b/vendor/rustc-ap-rustc_lexer/.cargo-checksum.json
index b211139e8..3df6fdfb5 100644
--- a/vendor/rustc-ap-rustc_lexer/.cargo-checksum.json
+++ b/vendor/rustc-ap-rustc_lexer/.cargo-checksum.json
@@ -1 +1 @@
-{"files":{"Cargo.toml":"dc430a17d2d107587d485d97cd5f15bc1c5cb55d145435d4d7267223c1fd8d33","src/cursor.rs":"1b58d5746e41eb7c58212885260543a359a6aa825b3bc47d8cb9733a75e90158","src/lib.rs":"41ffa950ae7a03f68a0ef610e61faeadd81f7b3d90da0cc999ad18bf0769dd38","src/tests.rs":"0a8e21db0da8e336b41c145652a4a41d235e1c36d5284a10cf837dba2b471c4d","src/unescape.rs":"913036ef4cecc7735de8c2f576dda584b0ba976ca71723fc1590447676b60ac8","src/unescape/tests.rs":"5f73f809bbb287b116c7db1416f01bf54ccdb78882f5f22a1da42f2f48f63af3"},"package":"f950742ef8a203aa7661aad3ab880438ddeb7f95d4b837c30d65db1a2c5df68e"}
\ No newline at end of file
+{"files":{"Cargo.toml":"7f25776fe1328d925567faf1db5afd37b8e4cd135492e0b5aece88059202ba81","src/cursor.rs":"1b58d5746e41eb7c58212885260543a359a6aa825b3bc47d8cb9733a75e90158","src/lib.rs":"630b5b8e8c1527912a854903ff8e4ddc10789904698db61f837cef7fc21f2181","src/tests.rs":"0a8e21db0da8e336b41c145652a4a41d235e1c36d5284a10cf837dba2b471c4d","src/unescape.rs":"913036ef4cecc7735de8c2f576dda584b0ba976ca71723fc1590447676b60ac8","src/unescape/tests.rs":"5f73f809bbb287b116c7db1416f01bf54ccdb78882f5f22a1da42f2f48f63af3"},"package":"8f40f26e7abdcd3b982f36c09a634cc6187988fbf6ec466c91f8d30a12ac0237"}
\ No newline at end of file
diff --git a/vendor/rustc-ap-rustc_lexer/Cargo.toml b/vendor/rustc-ap-rustc_lexer/Cargo.toml
index f11e5ce15..fd16ad110 100644
--- a/vendor/rustc-ap-rustc_lexer/Cargo.toml
+++ b/vendor/rustc-ap-rustc_lexer/Cargo.toml
@@ -13,9 +13,9 @@
 [package]
 edition = "2018"
 name = "rustc-ap-rustc_lexer"
-version = "725.0.0"
+version = "727.0.0"
 authors = ["The Rust Project Developers"]
-description = "Automatically published version of the package `rustc_lexer` in the rust-lang/rust repository from commit c38111c4fb9c22a36f9a9195d1884052bb670af2 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish\n            "
+description = "Automatically published version of the package `rustc_lexer` in the rust-lang/rust repository from commit 9a27044f42ace9eb652781b53f598e25d4e7e918 The publishing script for this crate lives at: https://github.com/alexcrichton/rustc-auto-publish\n            "
 license = "MIT / Apache-2.0"
 repository = "https://github.com/rust-lang/rust"
 
diff --git a/vendor/rustc-ap-rustc_lexer/src/lib.rs b/vendor/rustc-ap-rustc_lexer/src/lib.rs
index b9781581f..4cb2a6ca5 100644
--- a/vendor/rustc-ap-rustc_lexer/src/lib.rs
+++ b/vendor/rustc-ap-rustc_lexer/src/lib.rs
@@ -66,6 +66,13 @@ pub enum TokenKind {
     Ident,
     /// "r#ident"
     RawIdent,
+    /// An unknown prefix like `foo#`, `foo'`, `foo"`. Note that only the
+    /// prefix (`foo`) is included in the token, not the separator (which is
+    /// lexed as its own distinct token). In Rust 2021 and later, reserved
+    /// prefixes are reported as errors; in earlier editions, they result in a
+    /// (allowed by default) lint, and are treated as regular identifier
+    /// tokens.
+    UnknownPrefix,
     /// "12_u8", "1.0e-40", "b"123"". See `LiteralKind` for more details.
     Literal { kind: LiteralKind, suffix_start: usize },
     /// "'a"
@@ -323,7 +330,7 @@ impl Cursor<'_> {
                     let kind = RawStr { n_hashes, err };
                     Literal { kind, suffix_start }
                 }
-                _ => self.ident(),
+                _ => self.ident_or_unknown_prefix(),
             },
 
             // Byte literal, byte string literal, raw byte string literal or identifier.
@@ -358,12 +365,12 @@ impl Cursor<'_> {
                     let kind = RawByteStr { n_hashes, err };
                     Literal { kind, suffix_start }
                 }
-                _ => self.ident(),
+                _ => self.ident_or_unknown_prefix(),
             },
 
             // Identifier (this should be checked after other variant that can
             // start as identifier).
-            c if is_id_start(c) => self.ident(),
+            c if is_id_start(c) => self.ident_or_unknown_prefix(),
 
             // Numeric literal.
             c @ '0'..='9' => {
@@ -487,11 +494,16 @@ impl Cursor<'_> {
         RawIdent
     }
 
-    fn ident(&mut self) -> TokenKind {
+    fn ident_or_unknown_prefix(&mut self) -> TokenKind {
         debug_assert!(is_id_start(self.prev()));
         // Start is already eaten, eat the rest of identifier.
         self.eat_while(is_id_continue);
-        Ident
+        // Known prefixes must have been handled earlier. So if
+        // we see a prefix here, it is definitely a unknown prefix.
+        match self.first() {
+            '#' | '"' | '\'' => UnknownPrefix,
+            _ => Ident,
+        }
     }
 
     fn number(&mut self, first_digit: char) -> LiteralKind {