Update re2

third_party/re2/re2/testing/exhaustive_tester.h

Index: third_party/re2/re2/testing/exhaustive_tester.h
diff --git a/third_party/re2/re2/testing/exhaustive_tester.h b/third_party/re2/re2/testing/exhaustive_tester.h
index 38a139f58859ac72ac28224678cba17385f2b702..1facb9798acdac9e2a20e69c2e8013b0621a1750 100644
--- a/third_party/re2/re2/testing/exhaustive_tester.h
+++ b/third_party/re2/re2/testing/exhaustive_tester.h
@@ -13,6 +13,16 @@
 
 namespace re2 {
 
+#if !defined(NDEBUG)
+// We are in a debug build.
+const bool RE2_DEBUG_MODE = true;
+#elif ADDRESS_SANITIZER || MEMORY_SANITIZER || THREAD_SANITIZER
+// Not a debug build, but still under sanitizers.
+const bool RE2_DEBUG_MODE = true;
+#else
+const bool RE2_DEBUG_MODE = false;
+#endif
+
 // Exhaustive regular expression test: generate all regexps within parameters,
 // then generate all strings of a given length over a given alphabet,
 // then check that NFA, DFA, and PCRE agree about whether each regexp matches
@@ -63,7 +73,7 @@ class ExhaustiveTester : public RegexpGenerator {
   bool randomstrings_;  // Whether to use random strings
   int32 stringseed_;    // If so, the seed.
   int stringcount_;     // If so, how many to generate.
-  DISALLOW_EVIL_CONSTRUCTORS(ExhaustiveTester);
+  DISALLOW_COPY_AND_ASSIGN(ExhaustiveTester);
 };
 
 // Runs an exhaustive test on the given parameters.