[libFuzzer] print stats if we crash on empty input

llvm-svn: 270639
diff --git a/llvm/lib/Fuzzer/FuzzerLoop.cpp b/llvm/lib/Fuzzer/FuzzerLoop.cpp
index ed8a1fb..ccd1c4e 100644
--- a/llvm/lib/Fuzzer/FuzzerLoop.cpp
+++ b/llvm/lib/Fuzzer/FuzzerLoop.cpp
@@ -177,9 +177,10 @@
 
 NO_SANITIZE_MEMORY
 void Fuzzer::DeathCallback() {
-  if (!CurrentUnitSize) return;
-  Printf("DEATH:\n");
-  DumpCurrentUnit("crash-");
+  if (CurrentUnitSize) {
+    Printf("DEATH:\n");
+    DumpCurrentUnit("crash-");
+  }
   PrintFinalStats();
 }