2 files changed, 15 insertions, 6 deletions

diff --git a/crates/libsyntax2/src/grammar/items/mod.rs b/crates/libsyntax2/src/grammar/items/mod.rs
index 57742ecb9..85d7fe770 100644
--- a/crates/libsyntax2/src/grammar/items/mod.rs
+++ b/crates/libsyntax2/src/grammar/items/mod.rs
@@ -1,11 +1,11 @@
 
 mod consts;
-mod structs;
+mod nominal;
 mod traits;
 mod use_item;
 
 use super::*;
-pub(crate) use self::structs::named_field_def_list;
+pub(crate) use self::nominal::named_field_def_list;
 
 // test mod_contents
 // fn foo() {}
@@ -176,7 +176,7 @@ fn items_without_modifiers(p: &mut Parser) -> Option<SyntaxKind> {
             MODULE
         }
         STRUCT_KW => {
-            structs::struct_def(p);
+            nominal::struct_def(p);
             if p.at(SEMI) {
                 p.err_and_bump(
                     "expected item, found `;`\n\
@@ -186,7 +186,7 @@ fn items_without_modifiers(p: &mut Parser) -> Option<SyntaxKind> {
             STRUCT_DEF
         }
         ENUM_KW => {
-            structs::enum_def(p);
+            nominal::enum_def(p);
             ENUM_DEF
         }
         USE_KW => {
diff --git a/crates/libsyntax2/src/grammar/items/structs.rs b/crates/libsyntax2/src/grammar/items/nominal.rs
index f1e78865c..3db5b24af 100644
--- a/crates/libsyntax2/src/grammar/items/structs.rs
+++ b/crates/libsyntax2/src/grammar/items/nominal.rs
@@ -91,6 +91,10 @@ pub(crate) fn named_field_def_list(p: &mut Parser) {
     let m = p.start();
     p.bump();
     while !p.at(R_CURLY) && !p.at(EOF) {
+        if p.at(L_CURLY) {
+            error_block(p, "expected field");
+            continue;
+        }
         named_field_def(p);
         if !p.at(R_CURLY) {
             p.expect(COMMA);
@@ -127,10 +131,15 @@ fn pos_field_list(p: &mut Parser) {
         return;
     }
     while !p.at(R_PAREN) && !p.at(EOF) {
-        let pos_field = p.start();
+        let m = p.start();
         opt_visibility(p);
+        if !p.at_ts(types::TYPE_FIRST) {
+            p.error("expected a type");
+            m.complete(p, ERROR);
+            break;
+        }
         types::type_(p);
-        pos_field.complete(p, POS_FIELD);
+        m.complete(p, POS_FIELD);
 
         if !p.at(R_PAREN) {
             p.expect(COMMA);