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## 6) Bonus feature #3: selective instrumentation
It can be more effective to fuzzing to only instrument parts of the code. For
-details, see [README.instrument_list.md](README.instrument_list.md). \ No newline at end of file
+details, see [README.instrument_list.md](README.instrument_list.md).
+
+## 7) Bonus feature #4: CMPLOG
+
+The gcc_plugin also support CMPLOG/Redqueen, just set `AFL_GCC_CMPLOG` before
+instrumenting the target.
+Read more about this in the llvm document.
+