Subzero: Fix build errors with LLVM trunk.

src/IceCompileServer.cpp

Index: src/IceCompileServer.cpp
diff --git a/src/IceCompileServer.cpp b/src/IceCompileServer.cpp
index a021f8f49f1695bb579135be80ac7d17162294fa..2f1d9103e124184b4b9e0c0eaab9593cc0c0bfc4 100644
--- a/src/IceCompileServer.cpp
+++ b/src/IceCompileServer.cpp
@@ -171,7 +171,11 @@ void dumpBuildAttributes(Ostream &Str) {
 
 void CLCompileServer::run() {
   if (BuildDefs::dump()) {
+#ifdef PNACL_LLVM
     llvm::sys::PrintStackTraceOnErrorSignal();
+#else  // !PNACL_LLVM
+    llvm::sys::PrintStackTraceOnErrorSignal(argv[0]);
+#endif // !PNACL_LLVM
   }
   ClFlags::parseFlags(argc, argv);
   ClFlags &Flags = ClFlags::Flags;