Fix rustdoc tests

Author: camelid

tests/crashes/mgca/ace-with-const-ctor.rs

@@ -0,0 +1,16 @@
+//@ known-bug: #132980
+// Originally a rustdoc test. Should be moved back there with @has checks
+// readded once fixed.
+// Previous issue (before mgca): https://github.com/rust-lang/rust/issues/105952
+#![crate_name = "foo"]
+#![feature(associated_const_equality, min_generic_const_args)]
+pub enum ParseMode {
+    Raw,
+}
+pub trait Parse {
+    #[type_const]
+    const PARSE_MODE: ParseMode;
+}
+pub trait RenderRaw {}
+
+impl<T: Parse<PARSE_MODE = { ParseMode::Raw }>> RenderRaw for T {}

tests/rustdoc/constant/ice-associated-const-equality-105952.rs

@@ -1,7 +1,9 @@
-#![feature(associated_const_equality)]
+#![expect(incomplete_features)]
+#![feature(associated_const_equality, min_generic_const_args)]
 
 pub fn accept(_: impl Trait<K = 0>) {}
 
 pub trait Trait {
+    #[type_const]
     const K: i32;
 }