Subzero: Use C++11 member initializers where practical.

src/IceBrowserCompileServer.cpp

 //===- subzero/src/IceBrowserCompileServer.cpp - Browser compile server ---===//
 //
 //                        The Subzero Code Generator
 //
 // This file is distributed under the University of Illinois Open Source
 // License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 // This file defines the browser-based compile server.
@@ skipping 100 matching lines @@
   // We could also try to pthread_kill all other worker threads, but
   // pthread_kill / raising signals is not supported by NaCl.
   // We'll have to assume that the worker/emitter threads will be well behaved
   // after a fatal error in other threads, and either get stuck waiting
   // on input from a previous stage, or also call report_fatal_error.
   pthread_exit(0);
 }
 
 } // end of anonymous namespace
 
-BrowserCompileServer::~BrowserCompileServer() {}
+BrowserCompileServer::~BrowserCompileServer() = default;
 
 void BrowserCompileServer::run() {
   gCompileServer = this;
   getIRTInterfaces();
   gIRTFuncs.serve_translate_request(&SubzeroCallbacks);
 }
 
 void BrowserCompileServer::getParsedFlags(uint32_t NumThreads, int argc,
                                           char **argv) {
   ClFlags::parseFlags(argc, argv);
@@ skipping 57 matching lines @@
     this->getCompiler().run(ExtraFlags, *Ctx.get(),
                             // Retain original reference, but the compiler
                             // (LLVM's MemoryObject) wants to handle deletion.
                             std::unique_ptr<llvm::DataStreamer>(InputStream));
   });
 }
 
 } // end of namespace Ice
 
 #endif // PNACL_BROWSER_TRANSLATOR