From d8c064b2e95d44769b94a218bdaa2d5e0dfbdd00 Mon Sep 17 00:00:00 2001
From: Kostya Serebryany <kcc@google.com>
Date: Fri, 13 May 2016 22:11:23 +0000
Subject: [PATCH] [libFuzzer] do the merge faster and a bit less precise

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@269497 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Fuzzer/FuzzerLoop.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Fuzzer/FuzzerLoop.cpp b/lib/Fuzzer/FuzzerLoop.cpp
index f2633ce91d9..6b19a157e2b 100644
--- a/lib/Fuzzer/FuzzerLoop.cpp
+++ b/lib/Fuzzer/FuzzerLoop.cpp
@@ -549,9 +549,10 @@ UnitVector Fuzzer::FindExtraUnits(const UnitVector &Initial,
     PrintStats(Stat);
 
     size_t NewSize = Corpus.size();
+    assert(NewSize <= OldSize);
     Res.swap(Corpus);
 
-    if (NewSize == OldSize)
+    if (NewSize + 5 >= OldSize)
       break;
     OldSize = NewSize;
   }
-- 
2.11.0