[libFuzzer] add -exit_on_src_pos to test libFuzzer itself, add a test script for RE2 that uses this flag
llvm-svn: 282458
diff --git a/llvm/lib/Fuzzer/FuzzerDefs.h b/llvm/lib/Fuzzer/FuzzerDefs.h
index 4c60572..3fc62da 100644
--- a/llvm/lib/Fuzzer/FuzzerDefs.h
+++ b/llvm/lib/Fuzzer/FuzzerDefs.h
@@ -79,6 +79,7 @@
void PrintASCII(const Unit &U, const char *PrintAfter = "");
void PrintPC(const char *SymbolizedFMT, const char *FallbackFMT, uintptr_t PC);
+std::string DescribePC(const char *SymbolizedFMT, uintptr_t PC);
std::string Hash(const Unit &U);
void SetTimer(int Seconds);
void SetSigSegvHandler();