1 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Fuzzer/FuzzerMutate.cpp b/llvm/lib/Fuzzer/FuzzerMutate.cpp
index 53cb9027e45..bc2cf2c1bdb 100644
--- a/llvm/lib/Fuzzer/FuzzerMutate.cpp
+++ b/llvm/lib/Fuzzer/FuzzerMutate.cpp
@@ -251,7 +251,7 @@ size_t MutationDispatcher::Mutate_AddWordFromTORC(
     uint8_t *Data, size_t Size, size_t MaxSize) {
   Word W;
   DictionaryEntry DE;
-  switch (Rand(3)) {
+  switch (Rand(4)) {
   case 0: {
     auto X = TPC.TORC8.Get(Rand.Rand());
     DE = MakeDictionaryEntryFromCMP(X.A, X.B, Data, Size);
@@ -267,6 +267,10 @@ size_t MutationDispatcher::Mutate_AddWordFromTORC(
     auto X = TPC.TORCW.Get(Rand.Rand());
     DE = MakeDictionaryEntryFromCMP(X.A, X.B, Data, Size);
   } break;
+  case 3: if (Options.UseMemmem) {
+    auto X = TPC.MMT.Get(Rand.Rand());
+    DE = DictionaryEntry(X);
+  } break;
   default:
     assert(0);
   }