1 files changed, 6 insertions, 1 deletions

diff --git a/crates/ra_parser/src/grammar/params.rs b/crates/ra_parser/src/grammar/params.rs
index 185386569..a70f067f9 100644
--- a/crates/ra_parser/src/grammar/params.rs
+++ b/crates/ra_parser/src/grammar/params.rs
@@ -43,7 +43,7 @@ fn list_(p: &mut Parser, flavor: Flavor) {
     if flavor.type_required() {
         opt_self_param(p);
     }
-    while !p.at(EOF) && !p.at(ket) {
+    while !p.at(EOF) && !p.at(ket) && !(flavor == Flavor::Normal && p.at(DOTDOTDOT)) {
         if !p.at_ts(VALUE_PARAMETER_FIRST) {
             p.error("expected value parameter");
             break;
@@ -53,6 +53,11 @@ fn list_(p: &mut Parser, flavor: Flavor) {
             p.expect(COMMA);
         }
     }
+    // test param_list_vararg
+    // extern "C" { fn printf(format: *const i8, ...) -> i32; }
+    if flavor == Flavor::Normal {
+        p.eat(DOTDOTDOT);
+    }
     p.expect(ket);
     m.complete(p, PARAM_LIST);
 }