1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/util/DifferentialTesting.h b/js/src/util/DifferentialTesting.h
new file mode 100644
index 0000000000..93c43e61ee
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+++ b/js/src/util/DifferentialTesting.h
@@ -0,0 +1,27 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/*
+ * Definitions for differential testing.
+ */
+
+#ifndef util_DifferentialTesting_h
+#define util_DifferentialTesting_h
+
+namespace js {
+
+inline bool SupportDifferentialTesting() {
+#ifdef DEBUG
+  extern bool gSupportDifferentialTesting;
+  return gSupportDifferentialTesting;
+#else
+  return false;
+#endif
+}
+
+}  // namespace js
+
+#endif /* util_DifferentialTesting_h */