2 files changed, 2 insertions, 0 deletions
diff --git a/src/comp/syntax/ast.rs b/src/comp/syntax/ast.rs
index 26a309d37f5..2ab7059a2a4 100644
--- a/src/comp/syntax/ast.rs
+++ b/src/comp/syntax/ast.rs
@@ -407,6 +407,7 @@ enum purity {
     pure_fn, // declared with "pure fn"
     unsafe_fn, // declared with "unsafe fn"
     impure_fn, // declared with "fn"
+    crust_fn, // declared with "crust fn"
 }
 
 enum ret_style {
diff --git a/src/comp/syntax/print/pprust.rs b/src/comp/syntax/print/pprust.rs
index 047653cc4c9..b0ed7ceed00 100644
--- a/src/comp/syntax/print/pprust.rs
+++ b/src/comp/syntax/print/pprust.rs
@@ -1199,6 +1199,7 @@ fn print_fn(s: ps, decl: ast::fn_decl, name: ast::ident,
       ast::impure_fn { head(s, "fn"); }
       ast::unsafe_fn { head(s, "unsafe fn"); }
       ast::pure_fn { head(s, "pure fn"); }
+      ast::crust_fn { head(s, "crust fn"); }
     }
     word(s.s, name);
     print_type_params(s, typarams);