[libFuzzer] when doing the merge, keep track of the coveraged edges, not just features

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@354076 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/FuzzerLoop.cpp b/FuzzerLoop.cpp
index 5cd0cdd..7dc2fd4 100644
--- a/FuzzerLoop.cpp
+++ b/FuzzerLoop.cpp
@@ -384,10 +384,10 @@
 void Fuzzer::CheckExitOnSrcPosOrItem() {
   if (!Options.ExitOnSrcPos.empty()) {
     static auto *PCsSet = new Set<uintptr_t>;
-    auto HandlePC = [&](uintptr_t PC) {
-      if (!PCsSet->insert(PC).second)
+    auto HandlePC = [&](const TracePC::PCTableEntry *TE) {
+      if (!PCsSet->insert(TE->PC).second)
         return;
-      std::string Descr = DescribePC("%F %L", PC + 1);
+      std::string Descr = DescribePC("%F %L", TE->PC + 1);
       if (Descr.find(Options.ExitOnSrcPos) != std::string::npos) {
         Printf("INFO: found line matching '%s', exiting.\n",
                Options.ExitOnSrcPos.c_str());