Fix ICE with const generic param in struct

1 files changed, 6 insertions, 0 deletions

diff --git a/src/test/ui/const-generics/struct-with-invalid-const-param.rs b/src/test/ui/const-generics/struct-with-invalid-const-param.rs
new file mode 100644
index 00000000000..207b07bf695
--- /dev/null
+++ b/src/test/ui/const-generics/struct-with-invalid-const-param.rs
@@ -0,0 +1,6 @@
+#![feature(const_generics)]
+//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash
+
+struct S<const C: u8>(C); //~ ERROR expected type, found const parameter
+
+fn main() {}