Make CrateMetadata dependencies private

Author: spastorino

src/librustc_metadata/creader.rs

@@ -806,7 +806,7 @@ impl<'a> CrateLoader<'a> {
             }
 
             info!("injecting a dep from {} to {}", cnum, krate);
-            data.dependencies.borrow_mut().push(krate);
+            data.push_dependency(krate);
         });
     }
 

src/librustc_metadata/cstore.rs

@@ -95,7 +95,7 @@ crate struct CrateMetadata {
     /// IDs as they are seen from the current compilation session.
     crate cnum_map: CrateNumMap,
     /// Same ID set as `cnum_map` plus maybe some injected crates like panic runtime.
-    crate dependencies: Lock<Vec<CrateNum>>,
+    dependencies: Lock<Vec<CrateNum>>,
     /// How to link (or not link) this crate to the currently compiled crate.
     dep_kind: Lock<DepKind>,
     /// Filesystem location of this crate.
@@ -1134,6 +1134,10 @@ impl<'a, 'tcx> CrateMetadata {
 
         dep_node_index
     }
+
+    crate fn push_dependency(&self, krate: CrateNum) {
+        self.dependencies.borrow_mut().push(krate);
+    }
 }
 
 // Cannot be implemented on 'ProcMacro', as libproc_macro