Shrink vtable symbol names a bit

2020-03-13 11:19:31 +01:00 · 2020-03-13 11:19:31 +01:00 · 98a073cf26
commit 98a073cf26
parent 4d226e8f17
1 changed files with 8 additions and 1 deletions
--- a/src/vtable.rs
+++ b/src/vtable.rs
@ -135,7 +135,14 @@ fn build_vtable<'tcx>(
    let data_id = fx
        .module
        .declare_data(
-            &format!("vtable.{:?}.for.{:?}", trait_ref, layout.ty),
+            &format!(
+                "__vtable.{}.for.{:?}",
+                trait_ref
+                    .as_ref()
+                    .map(|trait_ref| format!("{:?}", trait_ref.skip_binder()).into())
+                    .unwrap_or(std::borrow::Cow::Borrowed("???")),
+                layout.ty
+            ),
            Linkage::Local,
            false,
            false,