[libFuzzer] when shrinking the corpus, delete evicted files previously created by the current process

llvm-svn: 283682
diff --git a/llvm/lib/Fuzzer/FuzzerFlags.def b/llvm/lib/Fuzzer/FuzzerFlags.def
index 03db9ad..4371276 100644
--- a/llvm/lib/Fuzzer/FuzzerFlags.def
+++ b/llvm/lib/Fuzzer/FuzzerFlags.def
@@ -56,7 +56,7 @@
 FUZZER_FLAG_INT(workers, 0,
             "Number of simultaneous worker processes to run the jobs."
             " If zero, \"min(jobs,NumberOfCpuCores()/2)\" is used.")
-FUZZER_FLAG_INT(reload, 10,
+FUZZER_FLAG_INT(reload, 1,
                 "Reload the main corpus every <N> seconds to get new units"
                 " discovered by other processes. If 0, disabled")
 FUZZER_FLAG_INT(report_slow_units, 10,