Merge from rustc

3 files changed, 9 insertions, 2 deletions

diff --git a/compiler/rustc_span/src/edit_distance/tests.rs b/compiler/rustc_span/src/edit_distance/tests.rs
index 9540f934d7e..8372856c0d3 100644
--- a/compiler/rustc_span/src/edit_distance/tests.rs
+++ b/compiler/rustc_span/src/edit_distance/tests.rs
@@ -1,4 +1,4 @@
-#![cfg_attr(not(bootstrap), allow(rustc::symbol_intern_string_literal))]
+#![allow(rustc::symbol_intern_string_literal)]
 
 use super::*;
 
diff --git a/compiler/rustc_span/src/lib.rs b/compiler/rustc_span/src/lib.rs
index d5c2a337b4c..51cfbf59471 100644
--- a/compiler/rustc_span/src/lib.rs
+++ b/compiler/rustc_span/src/lib.rs
@@ -67,7 +67,7 @@ mod span_encoding;
 pub use span_encoding::{DUMMY_SP, Span};
 
 pub mod symbol;
-pub use symbol::{Ident, MacroRulesNormalizedIdent, Symbol, kw, sym};
+pub use symbol::{Ident, MacroRulesNormalizedIdent, STDLIB_STABLE_CRATES, Symbol, kw, sym};
 
 mod analyze_source_file;
 pub mod fatal_error;
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index dc76412c48e..0c8c722e4d8 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -570,6 +570,7 @@ symbols! {
         cfg_autodiff_fallback,
         cfg_boolean_literals,
         cfg_doctest,
+        cfg_emscripten_wasm_eh,
         cfg_eval,
         cfg_fmt_debug,
         cfg_hide,
@@ -823,6 +824,7 @@ symbols! {
         emit_enum_variant_arg,
         emit_struct,
         emit_struct_field,
+        emscripten_wasm_eh,
         enable,
         encode,
         end,
@@ -1730,6 +1732,7 @@ symbols! {
         rustc_error,
         rustc_evaluate_where_clauses,
         rustc_expected_cgu_reuse,
+        rustc_force_inline,
         rustc_has_incoherent_inherent_impls,
         rustc_hidden_type_of_opaques,
         rustc_if_this_changed,
@@ -2239,6 +2242,10 @@ symbols! {
     }
 }
 
+/// Symbols for crates that are part of the stable standard library: `std`, `core`, `alloc`, and
+/// `proc_macro`.
+pub const STDLIB_STABLE_CRATES: &[Symbol] = &[sym::std, sym::core, sym::alloc, sym::proc_macro];
+
 #[derive(Copy, Clone, Eq, HashStable_Generic, Encodable, Decodable)]
 pub struct Ident {
     pub name: Symbol,