[libFuzzer] extend help for -minimize_crash to cover ASAN_OPTIONS=dedup_token_length=3

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@300800 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Fuzzer/FuzzerFlags.def b/lib/Fuzzer/FuzzerFlags.def
index 0f9e7906720a0c887d94cccb16f6f369f76c902f..0a1ff1b1df6a5a567a9fb5bf6ea4936f542dca1b 100644 (file)
--- a/lib/Fuzzer/FuzzerFlags.def
+++ b/lib/Fuzzer/FuzzerFlags.def
@@ -50,6 +50,8 @@ FUZZER_FLAG_INT(minimize_crash, 0, "If 1, minimizes the provided"
   " crash input. Use with -runs=N or -max_total_time=N to limit "
   "the number attempts."
   " Use with -exact_artifact_path to specify the output."
+  " Combine with ASAN_OPTIONS=dedup_token_length=3 (or similar) to ensure that"
+  " the minimized input triggers the same crash."
   )
 FUZZER_FLAG_INT(cleanse_crash, 0, "If 1, tries to cleanse the provided"
   " crash input to make it contain fewer original bytes."