1 files changed, 21 insertions, 0 deletions
diff --git a/tests/ui/asm/issue-99071.rs b/tests/ui/asm/issue-99071.rs
new file mode 100644
index 000000000..bb6201861
--- /dev/null
+++ b/tests/ui/asm/issue-99071.rs
@@ -0,0 +1,21 @@
+// compile-flags: --target thumbv6m-none-eabi
+// needs-llvm-components: arm
+// needs-asm-support
+
+#![feature(no_core, lang_items, rustc_attrs)]
+#![no_core]
+#![crate_type = "rlib"]
+
+#[rustc_builtin_macro]
+macro_rules! asm {
+    () => {};
+}
+#[lang = "sized"]
+trait Sized {}
+
+pub fn foo() {
+    unsafe {
+        asm!("", in("r8") 0);
+        //~^ cannot use register `r8`: high registers (r8+) can only be used as clobbers in Thumb-1 code
+    }
+}