1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Fuzzer/test/NullDerefTest.cpp b/lib/Fuzzer/test/NullDerefTest.cpp
index 0cff6617a31d0..200c56ccbbc90 100644
--- a/lib/Fuzzer/test/NullDerefTest.cpp
+++ b/lib/Fuzzer/test/NullDerefTest.cpp
@@ -7,7 +7,7 @@
 static volatile int Sink;
 static volatile int *Null = 0;
 
-extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   if (Size > 0 && Data[0] == 'H') {
     Sink = 1;
     if (Size > 1 && Data[1] == 'i') {
@@ -18,5 +18,6 @@ extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
       }
     }
   }
+  return 0;
 }