[libFuzzer] make LLVMFuzzerTestOneInput (the fuzzer target function) return int instead of void. The actual return value is not *yet* used (and expected to be 0). This change is API breaking, so the fuzzers will need to be updated.

llvm-svn: 249214

1 files changed, 2 insertions, 1 deletions

diff --git a/llvm/lib/Fuzzer/test/FullCoverageSetTest.cpp b/llvm/lib/Fuzzer/test/FullCoverageSetTest.cpp
index 2c6ff98db00..a868084a0ce 100644
--- a/llvm/lib/Fuzzer/test/FullCoverageSetTest.cpp
+++ b/llvm/lib/Fuzzer/test/FullCoverageSetTest.cpp
@@ -4,7 +4,7 @@
 #include <cstddef>
 #include <iostream>
 
-extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
   int bits = 0;
   if (Size > 0 && Data[0] == 'F') bits |= 1;
   if (Size > 1 && Data[1] == 'U') bits |= 2;
@@ -16,5 +16,6 @@ extern "C" void LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
     std::cerr <<  "BINGO!\n";
     exit(1);
   }
+  return 0;
 }