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-rw-r--r--src/test/ui/generics/param-in-ct-in-ty-param-default.rs4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/test/ui/generics/param-in-ct-in-ty-param-default.rs b/src/test/ui/generics/param-in-ct-in-ty-param-default.rs
new file mode 100644
index 000000000..3c62e4738
--- /dev/null
+++ b/src/test/ui/generics/param-in-ct-in-ty-param-default.rs
@@ -0,0 +1,4 @@
+struct Foo<T, U = [u8; std::mem::size_of::<T>()]>(T, U);
+//~^ ERROR generic parameters may not be used in const operations
+
+fn main() {}