Merging upstream version 1.76.0+dfsg1.

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

1 files changed, 6 insertions, 11 deletions

diff --git a/compiler/rustc_macros/src/symbols.rs b/compiler/rustc_macros/src/symbols.rs
index 4129712a6..488d4504a 100644
--- a/compiler/rustc_macros/src/symbols.rs
+++ b/compiler/rustc_macros/src/symbols.rs
@@ -19,7 +19,9 @@
 //! ```bash
 //! cargo install cargo-expand          # this is necessary only once
 //! cd compiler/rustc_span
-//! cargo expand > /tmp/rustc_span.rs   # it's a big file
+//! # The specific version number in CFG_RELEASE doesn't matter.
+//! # The output is large.
+//! CFG_RELEASE="0.0.0" cargo +nightly expand > /tmp/rustc_span.rs
 //! ```
 
 use proc_macro2::{Span, TokenStream};
@@ -83,7 +85,9 @@ impl Parse for Value {
                 }
             }
             Expr::Macro(expr) => {
-                if expr.mac.path.is_ident("env") && let Ok(lit) = expr.mac.parse_body() {
+                if expr.mac.path.is_ident("env")
+                    && let Ok(lit) = expr.mac.parse_body()
+                {
                     return Ok(Value::Env(lit, expr.mac.clone()));
                 }
             }
@@ -318,13 +322,4 @@ fn symbols_with_errors(input: TokenStream) -> (TokenStream, Vec<syn::Error>) {
     };
 
     (output, errors.list)
-
-    // To see the generated code, use the "cargo expand" command.
-    // Do this once to install:
-    //      cargo install cargo-expand
-    //
-    // Then, cd to rustc_span and run:
-    //      cargo expand > /tmp/rustc_span_expanded.rs
-    //
-    // and read that file.
 }