1 files changed, 8 insertions, 0 deletions
diff --git a/src/rt/rust_builtin.cpp b/src/rt/rust_builtin.cpp
index 001fcd6198b..4975bbf0354 100644
--- a/src/rt/rust_builtin.cpp
+++ b/src/rt/rust_builtin.cpp
@@ -134,6 +134,14 @@ unsupervise() {
 }
 
 extern "C" CDECL void
+vec_reserve_shared_actual(type_desc* ty, rust_vec_box** vp,
+                          size_t n_elts) {
+    rust_task *task = rust_get_current_task();
+    reserve_vec_exact_shared(task, vp, n_elts * ty->size);
+}
+
+// This is completely misnamed.
+extern "C" CDECL void
 vec_reserve_shared(type_desc* ty, rust_vec_box** vp,
                    size_t n_elts) {
     rust_task *task = rust_get_current_task();