1 files changed, 15 insertions, 0 deletions
diff --git a/src/test/ui/structs/struct-duplicate-comma.rs b/src/test/ui/structs/struct-duplicate-comma.rs
new file mode 100644
index 000000000..db2e7cb3d
--- /dev/null
+++ b/src/test/ui/structs/struct-duplicate-comma.rs
@@ -0,0 +1,15 @@
+// run-rustfix
+// Issue #50974
+
+pub struct Foo {
+    pub a: u8,
+    pub b: u8
+}
+
+fn main() {
+    let _ = Foo {
+        a: 0,,
+          //~^ ERROR expected identifier
+        b: 42
+    };
+}