typecheck guard pattern conditions

rust-lang · Sep 15, 2024 · 4d64bb4 · 4d64bb4
1 parent cb2e54e
commit 4d64bb4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/compiler/rustc_hir_typeck/src/pat.rs b/compiler/rustc_hir_typeck/src/pat.rs
@@ -259,8 +259,9 @@ impl<'a, 'tcx> FnCtxt<'a, 'tcx> {
             PatKind::Struct(ref qpath, fields, has_rest_pat) => {
                 self.check_pat_struct(pat, qpath, fields, has_rest_pat, expected, pat_info)
             }
-            PatKind::Guard(pat, _) => {
+            PatKind::Guard(pat, cond) => {
                 self.check_pat(pat, expected, pat_info);
+                self.check_expr_has_type_or_error(cond, self.tcx.types.bool, |_| {});
                 expected
             }
             PatKind::Or(pats) => {