Index: CMakeLists.txt
===================================================================
--- CMakeLists.txt
+++ CMakeLists.txt
@@ -572,6 +572,8 @@
     endif()
     if (LLVM_USE_SANITIZER STREQUAL "Address")
       add_flags("-fsanitize=address")
+    elseif (LLVM_USE_SANITIZER MATCHES "Dataflow")
+      add_flags("-fsanitize=dataflow")
     elseif (LLVM_USE_SANITIZER MATCHES "Memory(WithOrigins)?")
       add_flags(-fsanitize=memory)
       if (LLVM_USE_SANITIZER STREQUAL "MemoryWithOrigins")