diff --git a/src/test/ui/asm/issue-72570.rs b/src/test/ui/asm/issue-72570.rs
index df508e9045819..f34525a664ebe 100644
--- a/src/test/ui/asm/issue-72570.rs
+++ b/src/test/ui/asm/issue-72570.rs
@@ -1,7 +1,10 @@
+// only-x86_64
+
 #![feature(asm)]
 
 fn main() {
     unsafe {
         asm!("", in("invalid") "".len());
+        //~^ ERROR: invalid register `invalid`: unknown register
     }
 }
diff --git a/src/test/ui/asm/issue-72570.stderr b/src/test/ui/asm/issue-72570.stderr
new file mode 100644
index 0000000000000..49013a23ced2d
--- /dev/null
+++ b/src/test/ui/asm/issue-72570.stderr
@@ -0,0 +1,8 @@
+error: invalid register `invalid`: unknown register
+  --> $DIR/issue-72570.rs:7:18
+   |
+LL |         asm!("", in("invalid") "".len());
+   |                  ^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to previous error
+