[Object] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC).

llvm-svn: 300779

llvm/lib/Object/ObjectFile.cpp

@@ -1,4 +1,4 @@
-//===- ObjectFile.cpp - File format independent object file -----*- C++ -*-===//
+//===- ObjectFile.cpp - File format independent object file ---------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -11,20 +11,28 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "llvm/Object/ObjectFile.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Object/Binary.h"
 #include "llvm/Object/COFF.h"
+#include "llvm/Object/Error.h"
 #include "llvm/Object/MachO.h"
+#include "llvm/Object/ObjectFile.h"
 #include "llvm/Object/Wasm.h"
+#include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/ErrorOr.h"
 #include "llvm/Support/FileSystem.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/raw_ostream.h"
+#include <algorithm>
+#include <cstdint>
+#include <memory>
 #include <system_error>
 
 using namespace llvm;
 using namespace object;
 
-void ObjectFile::anchor() { }
+void ObjectFile::anchor() {}
 
 ObjectFile::ObjectFile(unsigned int Type, MemoryBufferRef Source)
     : SymbolicFile(Type, Source) {}