diff --git a/test/Analysis/cxx11-crashes.cpp b/test/Analysis/cxx11-crashes.cpp
index 3c33de3..c6034e6 100644
--- a/test/Analysis/cxx11-crashes.cpp
+++ b/test/Analysis/cxx11-crashes.cpp
@@ -1,5 +1,4 @@
 // RUN: %clang_cc1 -analyze -analyzer-checker=core -std=c++11 -verify %s
-// expected-no-diagnostics
 
 // radar://11485149, PR12871
 class PlotPoint {
@@ -91,6 +90,6 @@
 void fallthrough() {
   switch (1) {
     case 1:
-      [[clang::fallthrough]];
+      [[clang::fallthrough]]; // expected-error {{does not directly precede}}
   }
 }