Squashed 'third_party/flatbuffers/' content from commit acc9990ab

Change-Id: I48550d40d78fea996ebe74e9723a5d1f910de491
git-subtree-dir: third_party/flatbuffers
git-subtree-split: acc9990abd2206491480291b0f85f925110102ea
diff --git a/tests/fuzzer/fuzzer_assert.h b/tests/fuzzer/fuzzer_assert.h
new file mode 100644
index 0000000..afdcf78
--- /dev/null
+++ b/tests/fuzzer/fuzzer_assert.h
@@ -0,0 +1,9 @@
+#ifndef FUZZER_ASSERT_IMPL_H_
+#define FUZZER_ASSERT_IMPL_H_
+
+// Declare Debug/Release independed assert macro.
+#define fuzzer_assert_impl(x) (!!(x) ? static_cast<void>(0) : __builtin_trap())
+
+extern "C" void __builtin_trap(void);
+
+#endif // !FUZZER_ASSERT_IMPL_H_