Remove unused members and constructor arguments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181096 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index 5f5f76f..683a480 100644
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -69,7 +69,7 @@
 
 LTOCodeGenerator::LTOCodeGenerator()
   : _context(getGlobalContext()),
-    _linker("LinkTimeOptimizer", "ld-temp.o", _context), _target(NULL),
+    _linker("ld-temp.o", _context), _target(NULL),
     _emitDwarfDebugInfo(false), _scopeRestrictionsDone(false),
     _codeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC),
     _nativeObjectFile(NULL) {