Auto merge of #55912 - kennytm:rollup, r=kennytm

Rollup of 20 pull requests

Successful merges:

 - #55136 (Remove short doc where it starts with a codeblock)
 - #55711 (Format BtreeMap::range_mut example)
 - #55722 (impl_stable_hash_for: support enums and tuple structs with generic parameters)
 - #55754 (Avoid converting bytes to UTF-8 strings to print, just pass bytes to stdout/err)
 - #55804 (rustdoc: don't inline `pub use some_crate` unless directly asked to)
 - #55805 (Move `static_assert!` into librustc_data_structures)
 - #55837 (Make PhantomData #[structural_match])
 - #55840 (Fix TLS errors when downloading stage0)
 - #55843 (add FromIterator<A> to Box<[A]>)
 - #55858 (Small fixes on code blocks in rustdoc)
 - #55863 (Fix a typo in std::panic)
 - #55870 (Fix typos.)
 - #55874 (string: Add documentation for `From` impls)
 - #55879 (save-analysis: Don't panic for macro-generated use globs)
 - #55882 (Reference count `crate_inherent_impls`s return value.)
 - #55888 (miri: for uniformity, also move memory_deallocated to AllocationExtra)
 - #55889 (global allocators: add a few comments)
 - #55896 (Document optimizations enabled by FusedIterator)
 - #55905 (Change `Lit::short_name` to `Lit::literal_name`.)
 - #55908 (Fix their/there grammar nit)

5 files changed, 16 insertions, 10 deletions

diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index 2f17bc0548c..808e19d6f12 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -20,6 +20,8 @@ use print::pprust;
 use ptr::P;
 use rustc_data_structures::indexed_vec;
 use rustc_data_structures::indexed_vec::Idx;
+#[cfg(target_arch = "x86_64")]
+use rustc_data_structures::static_assert;
 use rustc_target::spec::abi::Abi;
 use source_map::{dummy_spanned, respan, Spanned};
 use symbol::{keywords, Symbol};
@@ -924,6 +926,10 @@ pub struct Expr {
     pub attrs: ThinVec<Attribute>,
 }
 
+// `Expr` is used a lot. Make sure it doesn't unintentionally get bigger.
+#[cfg(target_arch = "x86_64")]
+static_assert!(MEM_SIZE_OF_EXPR: std::mem::size_of::<Expr>() == 88);
+
 impl Expr {
     /// Whether this expression would be valid somewhere that expects a value, for example, an `if`
     /// condition.
diff --git a/src/libsyntax/ext/tt/macro_parser.rs b/src/libsyntax/ext/tt/macro_parser.rs
index 7a0a764d463..f31d80acbfa 100644
--- a/src/libsyntax/ext/tt/macro_parser.rs
+++ b/src/libsyntax/ext/tt/macro_parser.rs
@@ -122,7 +122,7 @@ impl<'tt> TokenTreeOrTokenTreeSlice<'tt> {
         }
     }
 
-    /// The the `index`-th token tree of `self`.
+    /// The `index`-th token tree of `self`.
     fn get_tt(&self, index: usize) -> TokenTree {
         match *self {
             TtSeq(ref v) => v[index].clone(),
diff --git a/src/libsyntax/ext/tt/quoted.rs b/src/libsyntax/ext/tt/quoted.rs
index 74363f3e5f7..21848674831 100644
--- a/src/libsyntax/ext/tt/quoted.rs
+++ b/src/libsyntax/ext/tt/quoted.rs
@@ -496,7 +496,7 @@ where
                         return (None, KleeneOp::ZeroOrMore);
                     }
 
-                    // #2 is a Kleene op, which is the the only valid option
+                    // #2 is a Kleene op, which is the only valid option
                     Ok(Ok((op, _))) => {
                         // Warn that `?` as a separator will be deprecated
                         sess.buffer_lint(
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index 68e7e40c43e..d90ec4ea081 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -1956,7 +1956,7 @@ impl<'a> Parser<'a> {
 
                 if suffix_illegal {
                     let sp = self.span;
-                    self.expect_no_suffix(sp, &format!("{} literal", lit.short_name()), suf)
+                    self.expect_no_suffix(sp, lit.literal_name(), suf)
                 }
 
                 result.unwrap()
diff --git a/src/libsyntax/parse/token.rs b/src/libsyntax/parse/token.rs
index 01bc7f6ad30..1c6fc1ac185 100644
--- a/src/libsyntax/parse/token.rs
+++ b/src/libsyntax/parse/token.rs
@@ -79,14 +79,14 @@ pub enum Lit {
 }
 
 impl Lit {
-    crate fn short_name(&self) -> &'static str {
+    crate fn literal_name(&self) -> &'static str {
         match *self {
-            Byte(_) => "byte",
-            Char(_) => "char",
-            Integer(_) => "integer",
-            Float(_) => "float",
-            Str_(_) | StrRaw(..) => "string",
-            ByteStr(_) | ByteStrRaw(..) => "byte string"
+            Byte(_) => "byte literal",
+            Char(_) => "char literal",
+            Integer(_) => "integer literal",
+            Float(_) => "float literal",
+            Str_(_) | StrRaw(..) => "string literal",
+            ByteStr(_) | ByteStrRaw(..) => "byte string literal"
         }
     }