vendor/llvm/llvm-trunk-r303197

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/Fuzzer/test/AFLDriverTest.cpp b/lib/Fuzzer/test/AFLDriverTest.cpp
index 3dd0b6117305..e3f5f7100883 100644
--- a/lib/Fuzzer/test/AFLDriverTest.cpp
+++ b/lib/Fuzzer/test/AFLDriverTest.cpp
@@ -4,19 +4,25 @@
 // Contains dummy functions used to avoid dependency on AFL.
 #include <stdint.h>
 #include <stdlib.h>
+#include <stdio.h>
 
 extern "C" void __afl_manual_init() {}
 
-extern "C" int __afl_persistent_loop(unsigned int) {
+extern "C" int __afl_persistent_loop(unsigned int N) {
+  static int Count = N;
+  fprintf(stderr, "__afl_persistent_loop calle, Count = %d\n", Count);
+  if (Count--) return 1;
   return 0;
 }
 
 // This declaration exists to prevent the Darwin linker
 // from complaining about this being a missing weak symbol.
 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv) {
+  fprintf(stderr, "LLVMFuzzerInitialize called\n");
   return 0;
 }
 
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  fprintf(stderr, "LLVMFuzzerTestOneInput called; Size = %zd\n", Size);
   return 0;
 }