Index: third_party/re2/re2/testing/dump.cc |
diff --git a/third_party/re2/re2/testing/dump.cc b/third_party/re2/re2/testing/dump.cc |
index 4bdf71465e2242dd4043099e276dad0d03b79af8..97030390df5e3396b52d7450e0ddbf16e99e715f 100644 |
--- a/third_party/re2/re2/testing/dump.cc |
+++ b/third_party/re2/re2/testing/dump.cc |
@@ -120,6 +120,8 @@ static void DumpRegexpAppending(Regexp* re, string* s) { |
DumpRegexpAppending(re->sub()[0], s); |
break; |
case kRegexpCapture: |
+ if (re->cap() == 0) |
+ LOG(DFATAL) << "kRegexpCapture cap() == 0"; |
if (re->name()) { |
s->append(*re->name()); |
s->append(":"); |