Shamelessly copy Josiah

source/lib/json/tests/thirdparty/Fuzzer/test/ubsan/CMakeLists.txt

@@ -0,0 +1,15 @@
+# These tests are instrumented with ubsan in non-recovery mode.
+
+set(CMAKE_CXX_FLAGS
+  "${LIBFUZZER_FLAGS_BASE} -fsanitize=undefined -fno-sanitize-recover=all")
+
+set(UbsanTests
+  SignedIntOverflowTest
+  )
+
+foreach(Test ${UbsanTests})
+  add_libfuzzer_test(${Test}-Ubsan SOURCES ../${Test}.cpp)
+endforeach()
+
+# Propagate value into parent directory
+set(TestBinaries ${TestBinaries} PARENT_SCOPE)