diff --git a/test/CodeGen/ms-inline-asm-var-name.c b/test/CodeGen/ms-inline-asm-var-name.c
new file mode 100644
index 0000000000000000000000000000000000000000..084e90500a252c3371d8a5cfaad07da3e9e852ef
--- /dev/null
+++ b/test/CodeGen/ms-inline-asm-var-name.c
@@ -0,0 +1,12 @@
+// REQUIRES: x86-registered-target
+// RUN: %clang_cc1 %s -triple i386-apple-darwin10 -fasm-blocks -emit-llvm -o - | FileCheck %s
+
+void t() {
+  int eax;
+  int Ecx;
+  __asm mov eax, ebx
+  // CHECK: mov $0, ebx
+  __asm add ecx, Ecx
+  // CHECK: add ecx, $1
+}
+