1 files changed, 23 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/dup_fields.rs b/gcc/testsuite/rust/compile/dup_fields.rs
new file mode 100644
index 0000000..ab39955
--- /dev/null
+++ b/gcc/testsuite/rust/compile/dup_fields.rs
@@ -0,0 +1,23 @@
+struct S { a: i32, b: i32, c: u8, a: i128 }
+// { dg-error "duplicate field" "" { target *-*-* } .-1 }
+
+union U
+  {
+    a: i32,
+    b: i32,
+    c: u8,
+    b: char // { dg-error "duplicate field" "" { target *-*-* } }
+  }
+
+fn main ()
+{
+  struct SS { alpha: i32, beta: i32, gamma: u8, gamma: i128 }
+  // { dg-error "duplicate field" "" { target *-*-* } .-1 }
+
+  union UU
+    {
+      alpha: i32, beta: i32,
+      gamma: u8, beta: char
+      // { dg-error "duplicate field" "" { target *-*-* } .-1 }
+    }
+}