diff --git a/lldb/test/Shell/Recognizer/Inputs/verbose_trap-in-stl.cpp b/lldb/test/Shell/Recognizer/Inputs/verbose_trap-in-stl.cpp
index 4f01827944e166..20db722ef105da 100644
--- a/lldb/test/Shell/Recognizer/Inputs/verbose_trap-in-stl.cpp
+++ b/lldb/test/Shell/Recognizer/Inputs/verbose_trap-in-stl.cpp
@@ -1,7 +1,7 @@
 namespace std {
 inline namespace __1 {
 template <typename T> struct vector {
-  void operator[](unsigned) { __builtin_verbose_trap("Bounds error", "out-of-bounds access"); }
+  T& operator[](unsigned) { __builtin_verbose_trap("Bounds error", "out-of-bounds access"); }
 };
 } // namespace __1
 } // namespace std