2 files changed, 3 insertions, 3 deletions
diff --git a/src/comp/middle/fold.rs b/src/comp/middle/fold.rs
index c7041b26..935f426b 100644
--- a/src/comp/middle/fold.rs
+++ b/src/comp/middle/fold.rs
@@ -701,7 +701,7 @@ fn fold_expr[ENV](&ENV env, ast_fold[ENV] fld, &@expr e) -> @expr {
 
     }
 
-    ret e;
+    fail;
 }
 
 
@@ -724,7 +724,7 @@ fn fold_stmt[ENV](&ENV env, ast_fold[ENV] fld, &@stmt s) -> @stmt {
             ret fld.fold_stmt_expr(env_, s.span, ee);
         }
     }
-    ret s;
+    fail;
 }
 
 fn fold_block[ENV](&ENV env, ast_fold[ENV] fld, &block blk) -> block {
diff --git a/src/comp/middle/ty.rs b/src/comp/middle/ty.rs
index 2fc3160c..0b6ef53b 100644
--- a/src/comp/middle/ty.rs
+++ b/src/comp/middle/ty.rs
@@ -373,7 +373,7 @@ fn fold_ty(ty_fold fld, @t ty) -> @t {
         case (ty_param(_))      { ret fld.fold_simple_ty(ty); }
     }
 
-    ret ty;
+    fail;
 }
 
 // Type utilities