rustc_metadata: Switch module children decoding to an iterator

2 files changed, 4 insertions, 2 deletions

diff --git a/compiler/rustc_resolve/src/build_reduced_graph.rs b/compiler/rustc_resolve/src/build_reduced_graph.rs
index 7ac4fcfa64c..7ac1f6c0881 100644
--- a/compiler/rustc_resolve/src/build_reduced_graph.rs
+++ b/compiler/rustc_resolve/src/build_reduced_graph.rs
@@ -204,7 +204,9 @@ impl<'a> Resolver<'a> {
     }
 
     pub(crate) fn build_reduced_graph_external(&mut self, module: Module<'a>) {
-        for child in self.cstore().module_children_untracked(module.def_id(), self.session) {
+        for child in
+            Vec::from_iter(self.cstore().module_children_untracked(module.def_id(), self.session))
+        {
             let parent_scope = ParentScope::module(module, self);
             BuildReducedGraphVisitor { r: self, parent_scope }
                 .build_reduced_graph_for_external_crate_res(child);
diff --git a/compiler/rustc_resolve/src/lib.rs b/compiler/rustc_resolve/src/lib.rs
index f9ae3b58172..ad05d4f1446 100644
--- a/compiler/rustc_resolve/src/lib.rs
+++ b/compiler/rustc_resolve/src/lib.rs
@@ -1920,7 +1920,7 @@ impl<'a> Resolver<'a> {
         if let Some(def_id) = def_id.as_local() {
             self.reexport_map.get(&def_id).cloned().unwrap_or_default()
         } else {
-            self.cstore().module_children_untracked(def_id, self.session)
+            self.cstore().module_children_untracked(def_id, self.session).collect()
         }
     }