Move libFuzzer to compiler_rt.

Resulting library binaries will be named libclang_rt.fuzzer*, and will
be placed in Clang toolchain, allowing redistribution.

Differential Revision: https://reviews.llvm.org/D36908

llvm-svn: 311407

1 files changed, 19 insertions, 0 deletions

diff --git a/compiler-rt/test/fuzzer/NthRunCrashTest.cpp b/compiler-rt/test/fuzzer/NthRunCrashTest.cpp
new file mode 100644
index 00000000000..26cdc8f17ad
--- /dev/null
+++ b/compiler-rt/test/fuzzer/NthRunCrashTest.cpp
@@ -0,0 +1,19 @@
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+
+// Crash on the N-th execution.
+#include <cstddef>
+#include <cstdint>
+#include <iostream>
+#include <ostream>
+
+static int Counter;
+
+extern "C" int LLVMFuzzerTestOneInput(const uint8_t *Data, size_t Size) {
+  if (Counter++ == 1000) {
+    std::cout << "BINGO; Found the target, exiting\n" << std::flush;
+    exit(1);
+  }
+  return 0;
+}
+