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-rw-r--r--compiler/rustc_interface/src/interface.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 0178c1470fa..cf494f8d686 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -40,7 +40,11 @@ pub struct Compiler {
     pub sess: Session,
     pub codegen_backend: Box<dyn CodegenBackend>,
     pub(crate) override_queries: Option<fn(&Session, &mut Providers)>,
+
+    /// A reference to the current `GlobalCtxt` which we pass on to `GlobalCtxt`.
     pub(crate) current_gcx: CurrentGcx,
+
+    /// A jobserver reference which we pass on to `GlobalCtxt`.
     pub(crate) jobserver_proxy: Arc<Proxy>,
 }