1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/llvm-asm/issue-51431.rs b/src/test/ui/llvm-asm/issue-51431.rs
new file mode 100644
index 00000000000..ca06bdab27b
--- /dev/null
+++ b/src/test/ui/llvm-asm/issue-51431.rs
@@ -0,0 +1,11 @@
+// build-fail
+// ignore-emscripten no llvm_asm! support
+
+#![feature(llvm_asm)]
+
+fn main() {
+    unsafe {
+        llvm_asm! {"mov $0,$1"::"0"("bx"),"1"(0x00)}
+        //~^ ERROR: invalid value for constraint in inline assembly
+    }
+}