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-rw-r--r--compiler/rustc_ast_pretty/src/pprust/state/expr.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs
index 9546ffafb19..48da9fc63b8 100644
--- a/compiler/rustc_ast_pretty/src/pprust/state/expr.rs
+++ b/compiler/rustc_ast_pretty/src/pprust/state/expr.rs
@@ -878,6 +878,7 @@ impl<'a> State<'a> {
                 }
             }
         } else {
+            self.end(); // Close the ibox for the pattern.
             self.word(",");
         }
         self.end(); // Close enclosing cbox.