Add a missing 'break' to ensure that we reject inline assembly
constraints we don't recognize.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@162064 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Sema/arm-asm.c b/test/Sema/arm-asm.c
new file mode 100644
index 0000000..3fc0eeb
--- /dev/null
+++ b/test/Sema/arm-asm.c
@@ -0,0 +1,7 @@
+// RUN: %clang_cc1 %s -triple armv7-apple-darwin -verify -fsyntax-only
+
+void f (void) {
+  int Val;
+  asm volatile ("lw (r1), %0[val]": "=&b"(Val)); // expected-error {{invalid output constraint '=&b' in asm}}
+  return;
+}