1 files changed, 19 insertions, 0 deletions
diff --git a/lib/Fuzzer/FuzzerSanitizerOptions.cpp b/lib/Fuzzer/FuzzerSanitizerOptions.cpp
new file mode 100644
index 000000000000..b2f20dd4ddf0
--- /dev/null
+++ b/lib/Fuzzer/FuzzerSanitizerOptions.cpp
@@ -0,0 +1,19 @@
+//===- FuzzerSanitizerOptions.cpp - default flags for sanitizers ----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// Set default options for sanitizers while running the fuzzer.
+// Options reside in a separate file, so if we don't want to set the default
+// options we simply do not link this file in.
+// ASAN options:
+//   * don't dump the coverage to disk.
+//   * enable coverage by default.
+//   * enable handle_abort.
+//===----------------------------------------------------------------------===//
+extern "C" const char *__asan_default_options() {
+  return "coverage_pcs=0:coverage=1:handle_abort=1";
+}