Further reduce the maximum repeat count when fuzzing.

Change-Id: I532d213022f9e0564b971069514a8caeb72f438e
Reviewed-on: https://code-review.googlesource.com/18050
Reviewed-by: Paul Wankadia <junyer@google.com>
diff --git a/re2/parse.cc b/re2/parse.cc
index 2b46e3e..941e4cf 100644
--- a/re2/parse.cc
+++ b/re2/parse.cc
@@ -42,9 +42,9 @@
 
 namespace re2 {
 
-// Reduce the maximum repeat count by an order of magnitude when fuzzing.
+// Reduce the maximum repeat count to its square root (roughly) when fuzzing.
 #ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
-static const int kMaxRepeat = 100;
+static const int kMaxRepeat = 32;
 #else
 static const int kMaxRepeat = 1000;
 #endif