diff --git a/crates/ra_hir_def/src/body/lower.rs b/crates/ra_hir_def/src/body/lower.rs
index 25e29b7cde..ef1c0df014 100644
--- a/crates/ra_hir_def/src/body/lower.rs
+++ b/crates/ra_hir_def/src/body/lower.rs
@@ -786,7 +786,6 @@ impl ExprCollector<'_> {
             ast::Pat::PlaceholderPat(_) => Pat::Wild,
             ast::Pat::RecordPat(p) => {
                 let path = p.path().and_then(|path| self.expander.parse_path(path));
-
                 let args: Vec<_> = p
                     .record_pat_field_list()
                     .expect("every struct should have a field list")
diff --git a/crates/ra_syntax/src/ast/generated/nodes.rs b/crates/ra_syntax/src/ast/generated/nodes.rs
index 7708ae8064..713aebcfa1 100644
--- a/crates/ra_syntax/src/ast/generated/nodes.rs
+++ b/crates/ra_syntax/src/ast/generated/nodes.rs
@@ -1128,7 +1128,7 @@ pub struct BoxPat {
 }
 impl BoxPat {
     pub fn box_token(&self) -> Option<SyntaxToken> { support::token(&self.syntax, T![box]) }
-    pub fn path(&self) -> Option<Path> { support::child(&self.syntax) }
+    pub fn pat(&self) -> Option<Pat> { support::child(&self.syntax) }
 }
 #[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub struct DotDotPat {
diff --git a/xtask/src/codegen/rust.ungram b/xtask/src/codegen/rust.ungram
index 6436688636..cb8a307fe7 100644
--- a/xtask/src/codegen/rust.ungram
+++ b/xtask/src/codegen/rust.ungram
@@ -516,8 +516,8 @@ Pat =
 LiteralPat =
   Literal
 
-PathPat =
-  Path
+BindPat =
+  Attr* 'ref'? 'mut'? Name ('@' Pat)?
 
 PlaceholderPat =
   '_'
@@ -540,29 +540,29 @@ RecordPatFieldList =
 RecordPatField =
   Attr* (NameRef ':')? Pat
 
-OrPat =
-  Pat*
+TupleStructPat =
+   Path '(' args:(Pat (',' Pat)* ','?)? ')'
+
+TuplePat =
+   '(' args:(Pat (',' Pat)* ','?)? ')'
 
 ParenPat =
   '(' Pat ')'
 
-BoxPat =
-  'box' Path
+SlicePat =
+  '[' args:(Pat (',' Pat)* ','?)? ']'
 
-BindPat =
-  Attr* 'ref'? 'mut'? Name ('@' Pat)?
+PathPat =
+  Path
+
+OrPat =
+  (Pat ('|' Pat)* '|'?)
+
+BoxPat =
+  'box' Pat
 
 DotDotPat =
   '..'
 
-SlicePat =
-  '[' args:Pat* ']'
-
 MacroPat =
   MacroCall
-
-TupleStructPat =
-   Path '(' args:Pat* ')'
-
-TuplePat =
-   '(' args:Pat* ')'