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authorbjorn3 <bjorn3@users.noreply.github.com>2020-03-13 11:19:31 +0100
committerbjorn3 <bjorn3@users.noreply.github.com>2020-03-13 11:19:31 +0100
commit98a073cf262f6fb2a3213d009dd1ee15d3cb7e44 (patch)
treedb16669777e1ab5994d5548aa5117d5dda462cb5 /src/vtable.rs
parent4d226e8f17d2b0eb424486b965f95e42a89389b9 (diff)
Shrink vtable symbol names a bit
Diffstat (limited to 'src/vtable.rs')
-rw-r--r--src/vtable.rs9
1 files changed, 8 insertions, 1 deletions
diff --git a/src/vtable.rs b/src/vtable.rs
index e4b3a9942cf..28688fee049 100644
--- 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,