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-rw-r--r--src/librustc/middle/traits/select.rs4
1 files changed, 3 insertions, 1 deletions
diff --git a/src/librustc/middle/traits/select.rs b/src/librustc/middle/traits/select.rs
index f824ec50dc4..1eb1c650e7c 100644
--- a/src/librustc/middle/traits/select.rs
+++ b/src/librustc/middle/traits/select.rs
@@ -1683,7 +1683,9 @@ impl<'cx, 'tcx> SelectionContext<'cx, 'tcx> {
             ty::ty_trait(..) |
             ty::ty_param(..) |
             ty::ty_projection(..) |
-            ty::ty_infer(ty::TyVar(_)) => {
+            ty::ty_infer(ty::TyVar(_)) |
+            ty::ty_infer(ty::FreshTy(_)) |
+            ty::ty_infer(ty::FreshIntTy(_)) => {
                 self.tcx().sess.bug(
                     &format!(
                         "asked to assemble constituent types of unexpected type: {}",