Fix locking for printing error messages.

src/IceClFlags.cpp

 //===- subzero/src/IceClFlags.cpp - Command line flags and parsing --------===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines commandline flags parsing.
@@ skipping 227 matching lines @@
 
 } // end of anonymous namespace
 
 namespace Ice {
 
 void ClFlags::parseFlags(int argc, char **argv) {
   cl::ParseCommandLineOptions(argc, argv);
   AppName = IceString(argv[0]);
 }
 
+void ClFlags::resetClFlags(ClFlags &OutFlags) {
+  // bool fields
+  OutFlags.AllowErrorRecovery = false;
+  OutFlags.AllowUninitializedGlobals = false;
+  OutFlags.DataSections = false;
+  OutFlags.DecorateAsm = false;
+  OutFlags.DisableInternal = false;
+  OutFlags.DisableIRGeneration = false;
+  OutFlags.DisableTranslation = false;
+  OutFlags.DumpStats = false;
+  OutFlags.FunctionSections = false;
+  OutFlags.GenerateUnitTestMessages = false;
+  OutFlags.PhiEdgeSplit = false;
+  OutFlags.RandomNopInsertion = false;
+  OutFlags.RandomRegAlloc = false;
+  OutFlags.SubzeroTimingEnabled = false;
+  OutFlags.TimeEachFunction = false;
+  OutFlags.UseSandboxing = false;
+  // Enum and integer fields.
+  OutFlags.Opt = Opt_m1;
+  OutFlags.OutFileType = FT_Iasm;
+  OutFlags.RandomMaxNopsPerInstruction = 0;
+  OutFlags.RandomNopProbabilityAsPercentage = 0;
+  OutFlags.TArch = TargetArch_NUM;
+  OutFlags.VMask = IceV_None;
+  // IceString fields.
+  OutFlags.DefaultFunctionPrefix = "";
+  OutFlags.DefaultGlobalPrefix = "";
+  OutFlags.TestPrefix = "";
+  OutFlags.TimingFocusOn = "";
+  OutFlags.TranslateOnly = "";
+  OutFlags.VerboseFocusOn = "";
+  // size_t and 64-bit fields.
+  OutFlags.NumTranslationThreads = 0;
+  OutFlags.RandomSeed = 0;
+}
+
 void ClFlags::getParsedClFlags(ClFlags &OutFlags) {
   if (::DisableIRGeneration)
     ::DisableTranslation = true;
 
   Ice::VerboseMask VMask = Ice::IceV_None;
   // Don't generate verbose messages if routines
   // to dump messages are not available.
   if (ALLOW_DUMP) {
     for (unsigned i = 0; i != VerboseList.size(); ++i)
       VMask |= VerboseList[i];
@@ skipping 37 matching lines @@
   OutFlagsExtra.setGenerateBuildAtts(GenerateBuildAtts);
   OutFlagsExtra.setLLVMVerboseErrors(LLVMVerboseErrors);
   OutFlagsExtra.setAppName(AppName);
   OutFlagsExtra.setInputFileFormat(InputFileFormat);
   OutFlagsExtra.setIRFilename(IRFilename);
   OutFlagsExtra.setLogFilename(LogFilename);
   OutFlagsExtra.setOutputFilename(OutputFilename);
 }
 
 } // end of namespace Ice