[compiler-rt] r317835 - [libFuzzer] make sure to flush IO when done merging one file

[Kostya Serebryany via llvm-commits]

Author: kcc
Date: Thu Nov  9 13:30:33 2017
New Revision: 317835

URL: http://llvm.org/viewvc/llvm-project?rev=317835&view=rev
Log:
[libFuzzer] make sure to flush IO when done merging one file

Modified:
    compiler-rt/trunk/lib/fuzzer/FuzzerMerge.cpp
    compiler-rt/trunk/test/fuzzer/sigusr.test

Modified: compiler-rt/trunk/lib/fuzzer/FuzzerMerge.cpp
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/lib/fuzzer/FuzzerMerge.cpp?rev=317835&r1=317834&r2=317835&view=diff
==============================================================================
--- compiler-rt/trunk/lib/fuzzer/FuzzerMerge.cpp (original)
+++ compiler-rt/trunk/lib/fuzzer/FuzzerMerge.cpp Thu Nov  9 13:30:33 2017
@@ -254,6 +254,7 @@ void Fuzzer::CrashResistantMergeInternal
     for (size_t F : UniqFeatures)
       OF << " " << std::hex << F;
     OF << "\n";
+    OF.flush();
   }
 }
 

Modified: compiler-rt/trunk/test/fuzzer/sigusr.test
URL: http://llvm.org/viewvc/llvm-project/compiler-rt/trunk/test/fuzzer/sigusr.test?rev=317835&r1=317834&r2=317835&view=diff
==============================================================================
--- compiler-rt/trunk/test/fuzzer/sigusr.test (original)
+++ compiler-rt/trunk/test/fuzzer/sigusr.test Thu Nov  9 13:30:33 2017
@@ -23,7 +23,7 @@ RUN: killall -SIGUSR2 %t/LFSIGUSR
 RUN: cat %t/log | FileCheck %s
 RUN: grep C2/g %t/MCF
 RUN: grep STARTED %t/MCF
-RUN: grep DONE %t/MCF
+RUN: tail -n 1 %t/MCF | grep DONE
 
 CHECK: INFO: signal received, trying to exit gracefully
 CHECK: INFO: libFuzzer: exiting as requested