commit d74eb1d0910a0a8be0faf68e3d35a45f8c869710
author Paul Wankadia <junyer@google.com> Fri Jul 22 02:30:37 2016 +1000
committer Paul Wankadia <junyer@google.com> Thu Jul 21 16:32:03 2016 +0000
tree c4ff52af72c29897dcd0ca3813079d0ec01da1bc
parent 0aefcfb4dc60f6d401482c62014eec5bd70cc225

Tweak an edge case in DFA::AnalyzeSearchHelper().

Change-Id: I8051d69a19616425c864a862090f701fdce0904c
Reviewed-on: https://code-review.googlesource.com/5322
Reviewed-by: Paul Wankadia <junyer@google.com>

re2/dfa.cc

diff --git a/re2/dfa.cc b/re2/dfa.cc
index 0cc58a1..75cf060 100644
--- a/re2/dfa.cc
+++ b/re2/dfa.cc
@@ -1692,7 +1692,7 @@
     State* s = RunStateOnByte(info->start, i);
     if (s == NULL) {
       // Synchronize with "quick check" above.
-      info->firstbyte.store(firstbyte, std::memory_order_release);
+      info->firstbyte.store(kFbUnknown, std::memory_order_release);
       return false;
     }
     if (s == info->start)