Merge from rustc

Author: RalfJung

.git-blame-ignore-revs

@@ -4,3 +4,5 @@ a06baa56b95674fc626b3c3fd680d6a65357fe60
 95e00bfed801e264e9c4ac817004153ca0f19eb6
 # reformat with new rustfmt
 971c549ca334b7b7406e61e958efcca9c4152822
+# refactor infcx building
+283abbf0e7d20176f76006825b5c52e9a4234e4c

.mailmap

@@ -217,7 +217,7 @@ Hsiang-Cheng Yang <rick68@users.noreply.github.com>
 Ian Jackson <ijackson@chiark.greenend.org.uk> <ian.jackson@citrix.com>
 Ian Jackson <ijackson@chiark.greenend.org.uk> <ijackson+github@slimy.greenend.org.uk>
 Ian Jackson <ijackson@chiark.greenend.org.uk> <iwj@xenproject.org>
-Ibraheem Ahmed <ibrah1440@gmail.com>
+Ibraheem Ahmed <ibraheem@ibraheem.ca> <ibrah1440@gmail.com>
 Ilyong Cho <ilyoan@gmail.com>
 inquisitivecrystal <22333129+inquisitivecrystal@users.noreply.github.com>
 Irina Popa <irinagpopa@gmail.com>

.reuse/dep5

@@ -6,11 +6,6 @@ Files: *
 Copyright: The Rust Project Developers (see https://thanks.rust-lang.org)
 License: MIT or Apache-2.0
 
-Files: library/std/src/sync/mpsc/mpsc_queue.rs
-       library/std/src/sync/mpsc/spsc_queue.rs
-Copyright: 2010-2011 Dmitry Vyukov
-License: BSD-2-Clause
-
 Files: src/librustdoc/html/static/fonts/FiraSans*
 Copyright: 2014, Mozilla Foundation, 2014, Telefonica S.A.
 License: OFL-1.1

Cargo.lock

@@ -273,7 +273,7 @@ dependencies = [
 
 [[package]]
 name = "cargo"
-version = "0.67.0"
+version = "0.68.0"
 dependencies = [
  "anyhow",
  "atty",
@@ -473,9 +473,9 @@ version = "0.1.0"
 
 [[package]]
 name = "cc"
-version = "1.0.73"
+version = "1.0.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+checksum = "76a284da2e6fe2092f2353e51713435363112dfd60030e22add80be333fb928f"
 dependencies = [
  "jobserver",
 ]
@@ -502,9 +502,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-derive"
-version = "0.80.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0001adf0cf12361e08b65e1898ea138f8f77d8f5177cbf29b6b3b3532252bd6"
+checksum = "d552b2fa341f5fc35c6b917b1d289d3c3a34d0b74e579390ea6192d6152a8cdb"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -514,9 +514,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-engine"
-version = "0.80.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c44ee96f2d67cb5193d1503f185db1abad9933a1c6e6b4169c176f90baecd393"
+checksum = "7e54ac43048cb31c470d7b3e3acd409090ef4a5abddfe02455187aebc3d6879f"
 dependencies = [
  "chalk-derive",
  "chalk-ir",
@@ -527,9 +527,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-ir"
-version = "0.80.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "92d8a95548f23618fda86426e4304e563ec2bb7ba0216139f0748d63c107b5f1"
+checksum = "43aa55deff4e7fbdb09fa014543372f2c95a06835ac487b9ce57b5099b950838"
 dependencies = [
  "bitflags",
  "chalk-derive",
@@ -538,9 +538,9 @@ dependencies = [
 
 [[package]]
 name = "chalk-solve"
-version = "0.80.0"
+version = "0.87.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f37f492dacfafe2e21319b80827da2779932909bb392f0cc86b2bd5c07c1b4e1"
+checksum = "61213deefc36ba265ad01c4d997e18bcddf7922862a4594a47ca4575afb3dab4"
 dependencies = [
  "chalk-derive",
  "chalk-ir",

LICENSES/BSD-2-Clause.txt

@@ -1208,7 +1208,7 @@ impl Expr {
             ExprKind::Tup(_) => ExprPrecedence::Tup,
             ExprKind::Binary(op, ..) => ExprPrecedence::Binary(op.node),
             ExprKind::Unary(..) => ExprPrecedence::Unary,
-            ExprKind::Lit(_) => ExprPrecedence::Lit,
+            ExprKind::Lit(_) | ExprKind::IncludedBytes(..) => ExprPrecedence::Lit,
             ExprKind::Type(..) | ExprKind::Cast(..) => ExprPrecedence::Cast,
             ExprKind::Let(..) => ExprPrecedence::Let,
             ExprKind::If(..) => ExprPrecedence::If,
@@ -1446,6 +1446,12 @@ pub enum ExprKind {
     /// with an optional value to be returned.
     Yeet(Option<P<Expr>>),
 
+    /// Bytes included via `include_bytes!`
+    /// Added for optimization purposes to avoid the need to escape
+    /// large binary blobs - should always behave like [`ExprKind::Lit`]
+    /// with a `ByteStr` literal.
+    IncludedBytes(Lrc<[u8]>),
+
     /// Placeholder for an expression that wasn't syntactically well formed in some way.
     Err,
 }

compiler/rustc_ast/src/ast.rs

@@ -29,6 +29,7 @@ extern crate rustc_macros;
 extern crate tracing;
 
 pub mod util {
+    pub mod case;
     pub mod classify;
     pub mod comments;
     pub mod literal;

compiler/rustc_ast/src/lib.rs

@@ -1428,7 +1428,7 @@ pub fn noop_visit_expr<T: MutVisitor>(
         }
         ExprKind::Try(expr) => vis.visit_expr(expr),
         ExprKind::TryBlock(body) => vis.visit_block(body),
-        ExprKind::Lit(_) | ExprKind::Err => {}
+        ExprKind::Lit(_) | ExprKind::IncludedBytes(..) | ExprKind::Err => {}
     }
     vis.visit_id(id);
     vis.visit_span(span);

compiler/rustc_ast/src/mut_visit.rs

@@ -5,6 +5,7 @@ pub use TokenKind::*;
 
 use crate::ast;
 use crate::ptr::P;
+use crate::util::case::Case;
 
 use rustc_data_structures::stable_hasher::{HashStable, StableHasher};
 use rustc_data_structures::sync::Lrc;
@@ -615,6 +616,15 @@ impl Token {
         self.is_non_raw_ident_where(|id| id.name == kw)
     }
 
+    /// Returns `true` if the token is a given keyword, `kw` or if `case` is `Insensitive` and this token is an identifier equal to `kw` ignoring the case.
+    pub fn is_keyword_case(&self, kw: Symbol, case: Case) -> bool {
+        self.is_keyword(kw)
+            || (case == Case::Insensitive
+                && self.is_non_raw_ident_where(|id| {
+                    id.name.as_str().to_lowercase() == kw.as_str().to_lowercase()
+                }))
+    }
+
     pub fn is_path_segment_keyword(&self) -> bool {
         self.is_non_raw_ident_where(Ident::is_path_segment_keyword)
     }

compiler/rustc_ast/src/token.rs

@@ -0,0 +1,6 @@
+/// Whatever to ignore case (`fn` vs `Fn` vs `FN`) or not. Used for recovering.
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+pub enum Case {
+    Sensitive,
+    Insensitive,
+}