allow unary operations and ignore StorageLive/Dead stmts

src/test/ui/const-generics/const_evaluatable_checked/unop.rs

@@ -0,0 +1,14 @@
+// run-pass
+#![feature(const_generics, const_evaluatable_checked)]
+#![allow(incomplete_features)]
+
+struct Foo<const B: bool>;
+
+fn test<const N: usize>() -> Foo<{ !(N > 10) }> where Foo<{ !(N > 10) }>: Sized {
+    Foo
+}
+
+fn main() {
+    let _: Foo<false> = test::<12>();
+    let _: Foo<true> = test::<9>();
+}