From de57dbcefd50da2d512929a6fb8e205751793f7d Mon Sep 17 00:00:00 2001
From: bjorn3 <17426603+bjorn3@users.noreply.github.com>
Date: Tue, 28 Jun 2022 17:34:52 +0000
Subject: [PATCH] Use pre-interned symbols in import recovery

---
 compiler/rustc_parse/src/parser/item.rs | 3 +--
 compiler/rustc_span/src/symbol.rs       | 2 ++
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/compiler/rustc_parse/src/parser/item.rs b/compiler/rustc_parse/src/parser/item.rs
index bf685aa8cad..87bc0d9762e 100644
--- a/compiler/rustc_parse/src/parser/item.rs
+++ b/compiler/rustc_parse/src/parser/item.rs
@@ -271,8 +271,7 @@ impl<'a> Parser<'a> {
             // MACRO_RULES ITEM
             self.parse_item_macro_rules(vis, has_bang)?
         } else if self.isnt_macro_invocation()
-            && (self.token.is_ident_named(Symbol::intern("import"))
-                || self.token.is_ident_named(Symbol::intern("using")))
+            && (self.token.is_ident_named(sym::import) || self.token.is_ident_named(sym::using))
         {
             return self.recover_import_as_use();
         } else if self.isnt_macro_invocation() && vis.kind.is_pub() {
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs
index 48766c67910..2fcce0d9f5b 100644
--- a/compiler/rustc_span/src/symbol.rs
+++ b/compiler/rustc_span/src/symbol.rs
@@ -782,6 +782,7 @@ symbols! {
         impl_lint_pass,
         impl_macros,
         impl_trait_in_bindings,
+        import,
         import_shadowing,
         imported_main,
         in_band_lifetimes,
@@ -1519,6 +1520,7 @@ symbols! {
         use_nested_groups,
         used,
         used_with_arg,
+        using,
         usize,
         v1,
         va_arg,