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-rw-r--r--gcc/testsuite/rust/compile/issue-3599.rs8
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/testsuite/rust/compile/issue-3599.rs b/gcc/testsuite/rust/compile/issue-3599.rs
new file mode 100644
index 0000000..1d29fac
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+++ b/gcc/testsuite/rust/compile/issue-3599.rs
@@ -0,0 +1,8 @@
+#[lang = "sized"]
+trait Sized {}
+
+trait Bar {}
+
+struct S; // { dg-warning "struct is never constructed" }
+
+pub fn test(foo: impl Bar) {}