Replace `Symbol::intern` calls with preinterned symbols

2 files changed, 6 insertions, 4 deletions

diff --git a/compiler/rustc_metadata/src/creader.rs b/compiler/rustc_metadata/src/creader.rs
index a18c6baec00..29dba2bca61 100644
--- a/compiler/rustc_metadata/src/creader.rs
+++ b/compiler/rustc_metadata/src/creader.rs
@@ -861,8 +861,10 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> {
         // First up we check for global allocators. Look at the crate graph here
         // and see what's a global allocator, including if we ourselves are a
         // global allocator.
-        let mut global_allocator =
-            self.cstore.has_global_allocator.then(|| Symbol::intern("this crate"));
+        #[cfg_attr(not(bootstrap), allow(rustc::symbol_intern_string_literal))]
+        let this_crate = Symbol::intern("this crate");
+
+        let mut global_allocator = self.cstore.has_global_allocator.then_some(this_crate);
         for (_, data) in self.cstore.iter_crate_data() {
             if data.has_global_allocator() {
                 match global_allocator {
@@ -876,8 +878,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> {
                 }
             }
         }
-        let mut alloc_error_handler =
-            self.cstore.has_alloc_error_handler.then(|| Symbol::intern("this crate"));
+        let mut alloc_error_handler = self.cstore.has_alloc_error_handler.then_some(this_crate);
         for (_, data) in self.cstore.iter_crate_data() {
             if data.has_alloc_error_handler() {
                 match alloc_error_handler {
diff --git a/compiler/rustc_metadata/src/rmeta/decoder.rs b/compiler/rustc_metadata/src/rmeta/decoder.rs
index 56beff5aa64..f3f5af49412 100644
--- a/compiler/rustc_metadata/src/rmeta/decoder.rs
+++ b/compiler/rustc_metadata/src/rmeta/decoder.rs
@@ -872,6 +872,7 @@ impl MetadataBlob {
 
                         let def_kind = root.tables.def_kind.get(blob, item).unwrap();
                         let def_key = root.tables.def_keys.get(blob, item).unwrap().decode(blob);
+                        #[cfg_attr(not(bootstrap), allow(rustc::symbol_intern_string_literal))]
                         let def_name = if item == CRATE_DEF_INDEX {
                             rustc_span::symbol::kw::Crate
                         } else {