diff --git a/test/CFrontend/2004-03-16-AsmRegisterCrash.c b/test/CFrontend/2004-03-16-AsmRegisterCrash.c
new file mode 100644
index 00000000000..864d6ebad22
--- /dev/null
+++ b/test/CFrontend/2004-03-16-AsmRegisterCrash.c
@@ -0,0 +1,4 @@
+int foo() {
+  register int X __asm__("ebx");
+  return X;
+}