diff --git a/gcc/testsuite/rust/compile/const_generics_3.rs b/gcc/testsuite/rust/compile/const_generics_3.rs
index e4e9008c4a6..524d48d5bcf 100644
--- a/gcc/testsuite/rust/compile/const_generics_3.rs
+++ b/gcc/testsuite/rust/compile/const_generics_3.rs
@@ -1,10 +1,12 @@
-// { dg-additional-options "-w" }
+// { dg-additional-options "-w -frust-name-resolution-2.0" }
+
+#[lang = "sized"]
+trait Sized {}
 
 const M: usize = 4;
 
 struct Foo<T, const N: usize = 1> {
-    // FIXME: This error is bogus. But having it means parsing is valid!
-    value: [i32; N], // { dg-error "cannot find value .N. in this scope" }
+    value: [T; N],
 }
 
 fn main() {
diff --git a/gcc/testsuite/rust/compile/nr2/exclude b/gcc/testsuite/rust/compile/nr2/exclude
index 45e90a4df93..71c2b682bf0 100644
--- a/gcc/testsuite/rust/compile/nr2/exclude
+++ b/gcc/testsuite/rust/compile/nr2/exclude
@@ -1,6 +1,5 @@
 canonical_paths1.rs
 cfg1.rs
-const_generics_3.rs
 generics9.rs
 issue-2043.rs
 issue-2330.rs