4 files changed, 26 insertions, 7 deletions
diff --git a/compiler/rustc_span/Cargo.toml b/compiler/rustc_span/Cargo.toml
index 43a2d692577..da6f2101d23 100644
--- a/compiler/rustc_span/Cargo.toml
+++ b/compiler/rustc_span/Cargo.toml
@@ -6,8 +6,8 @@ edition = "2024"
 [dependencies]
 # tidy-alphabetical-start
 blake3 = "1.5.2"
-derive-where = "1.2.7"
-indexmap = { version = "2.0.0" }
+derive-where.workspace = true
+indexmap.workspace = true
 itoa = "1.0"
 md5 = { package = "md-5", version = "0.10.0" }
 rustc_arena = { path = "../rustc_arena" }
@@ -16,9 +16,9 @@ rustc_hashes = { path = "../rustc_hashes" }
 rustc_index = { path = "../rustc_index" }
 rustc_macros = { path = "../rustc_macros" }
 rustc_serialize = { path = "../rustc_serialize" }
-scoped-tls = "1.0"
+scoped-tls.workspace = true
 sha1 = "0.10.0"
 sha2 = "0.10.1"
-tracing = "0.1"
+tracing.workspace = true
 unicode-width = "0.2.0"
 # tidy-alphabetical-end
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index d647ec28aae..ae6755f0764 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -17,6 +17,7 @@
 
 // tidy-alphabetical-start
 #![allow(internal_features)]
+#![cfg_attr(bootstrap, feature(round_char_boundary))]
 #![doc(html_root_url = "https://doc.rust-lang.org/nightly/nightly-rustc/")]
 #![doc(rust_logo)]
 #![feature(array_windows)]
@@ -26,7 +27,6 @@
 #![feature(map_try_insert)]
 #![feature(negative_impls)]
 #![feature(read_buf)]
-#![feature(round_char_boundary)]
 #![feature(rustc_attrs)]
 #![feature(rustdoc_internals)]
 // tidy-alphabetical-end
diff --git a/compiler/rustc_span/src/source_map.rs b/compiler/rustc_span/src/source_map.rs
index 8270de1e917..166842e374b 100644
--- a/compiler/rustc_span/src/source_map.rs
+++ b/compiler/rustc_span/src/source_map.rs
@@ -9,6 +9,7 @@
 //! within the `SourceMap`, which upon request can be converted to line and column
 //! information, source code snippets, etc.
 
+use std::fs::File;
 use std::io::{self, BorrowedBuf, Read};
 use std::{fs, path};
 
@@ -115,13 +116,18 @@ impl FileLoader for RealFileLoader {
     }
 
     fn read_file(&self, path: &Path) -> io::Result<String> {
-        if path.metadata().is_ok_and(|metadata| metadata.len() > SourceFile::MAX_FILE_SIZE.into()) {
+        let mut file = File::open(path)?;
+        let size = file.metadata().map(|metadata| metadata.len()).ok().unwrap_or(0);
+
+        if size > SourceFile::MAX_FILE_SIZE.into() {
             return Err(io::Error::other(format!(
                 "text files larger than {} bytes are unsupported",
                 SourceFile::MAX_FILE_SIZE
             )));
         }
-        fs::read_to_string(path)
+        let mut contents = String::new();
+        file.read_to_string(&mut contents)?;
+        Ok(contents)
     }
 
     fn read_binary_file(&self, path: &Path) -> io::Result<Arc<[u8]>> {
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 5d140cc6117..77260d07c99 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -466,6 +466,7 @@ symbols! {
         arm,
         arm_target_feature,
         array,
+        as_dash_needed: "as-needed",
         as_ptr,
         as_ref,
         as_str,
@@ -540,6 +541,7 @@ symbols! {
         att_syntax,
         attr,
         attr_literals,
+        attribute,
         attributes,
         audit_that,
         augmented_assignments,
@@ -592,6 +594,7 @@ symbols! {
         btreeset_iter,
         built,
         builtin_syntax,
+        bundle,
         c,
         c_dash_variadic,
         c_str,
@@ -817,6 +820,7 @@ symbols! {
         decl_macro,
         declare_lint_pass,
         decode,
+        decorated,
         default_alloc_error_handler,
         default_field_values,
         default_fn,
@@ -1075,6 +1079,7 @@ symbols! {
         format_macro,
         format_placeholder,
         format_unsafe_arg,
+        framework,
         freeze,
         freeze_impls,
         freg,
@@ -1295,6 +1300,7 @@ symbols! {
         link_arg_attribute,
         link_args,
         link_cfg,
+        link_dash_arg: "link-arg",
         link_llvm_intrinsics,
         link_name,
         link_ordinal,
@@ -1528,6 +1534,7 @@ symbols! {
         noop_method_borrow,
         noop_method_clone,
         noop_method_deref,
+        noprefix,
         noreturn,
         nostack,
         not,
@@ -1741,6 +1748,7 @@ symbols! {
         quote,
         range_inclusive_new,
         range_step,
+        raw_dash_dylib: "raw-dylib",
         raw_dylib,
         raw_dylib_elf,
         raw_eq,
@@ -2277,6 +2285,7 @@ symbols! {
         unchecked_shl,
         unchecked_shr,
         unchecked_sub,
+        undecorated,
         underscore_const_names,
         underscore_imports,
         underscore_lifetimes,
@@ -2365,6 +2374,7 @@ symbols! {
         vecdeque_iter,
         vecdeque_reserve,
         vector,
+        verbatim,
         version,
         vfp2,
         vis,
@@ -2389,6 +2399,7 @@ symbols! {
         weak_odr,
         where_clause_attrs,
         while_let,
+        whole_dash_archive: "whole-archive",
         width,
         windows,
         windows_subsystem,
@@ -2419,9 +2430,11 @@ symbols! {
         yield_expr,
         ymm_reg,
         yreg,
+        zca,
         zfh,
         zfhmin,
         zmm_reg,
+        ztso,
         // tidy-alphabetical-end
     }
 }