[llvm] r282284 - [libFuzzer] reset Counters (trace-pc-guard) before every run

[Kostya Serebryany via llvm-commits]

Author: kcc
Date: Fri Sep 23 15:04:13 2016
New Revision: 282284

URL: http://llvm.org/viewvc/llvm-project?rev=282284&view=rev
Log:
[libFuzzer] reset Counters (trace-pc-guard) before every run

Modified:
    llvm/trunk/lib/Fuzzer/FuzzerTracePC.h

Modified: llvm/trunk/lib/Fuzzer/FuzzerTracePC.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Fuzzer/FuzzerTracePC.h?rev=282284&r1=282283&r2=282284&view=diff
==============================================================================
--- llvm/trunk/lib/Fuzzer/FuzzerTracePC.h (original)
+++ llvm/trunk/lib/Fuzzer/FuzzerTracePC.h Fri Sep 23 15:04:13 2016
@@ -47,6 +47,7 @@ class TracePC {
     NumNewPCIDs = 0;
     CounterMap.Reset();
     ValueProfileMap.Reset();
+    memset(Counters, 0, sizeof(Counters));
   }
 
   void ResetGuards();
@@ -67,7 +68,6 @@ private:
     NewPCIDs[(NumNewPCIDs++) % kMaxNewPCIDs] = PCID;
   }
 
-
   struct Module {
     uintptr_t *Start, *Stop;
   };