[libFuzzer] When -test_single_input crashes the test it is not necessary to write crash-file because input is already known to the user. Patch by Mike Aizatsky
llvm-svn: 250564
diff --git a/llvm/lib/Fuzzer/FuzzerIO.cpp b/llvm/lib/Fuzzer/FuzzerIO.cpp
index b6ffb75..4bb2df5 100644
--- a/llvm/lib/Fuzzer/FuzzerIO.cpp
+++ b/llvm/lib/Fuzzer/FuzzerIO.cpp
@@ -49,6 +49,10 @@
Unit FileToVector(const std::string &Path) {
std::ifstream T(Path);
+ if (!T) {
+ Printf("No such directory: %s; exiting\n", Path.c_str());
+ exit(1);
+ }
return Unit((std::istreambuf_iterator<char>(T)),
std::istreambuf_iterator<char>());
}