[Sema] Fix some Clang-tidy modernize and Include What You Use warnings; other minor fixes (NFC).
llvm-svn: 325659
diff --git a/clang/lib/Sema/DelayedDiagnostic.cpp b/clang/lib/Sema/DelayedDiagnostic.cpp
index 3d321d5..2555206 100644
--- a/clang/lib/Sema/DelayedDiagnostic.cpp
+++ b/clang/lib/Sema/DelayedDiagnostic.cpp
@@ -1,4 +1,4 @@
-//===--- DelayedDiagnostic.cpp - Delayed declarator diagnostics -*- C++ -*-===//
+//===- DelayedDiagnostic.cpp - Delayed declarator diagnostics -------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -14,8 +14,10 @@
// This file also defines AccessedEntity.
//
//===----------------------------------------------------------------------===//
+
#include "clang/Sema/DelayedDiagnostic.h"
-#include <string.h>
+#include <cstring>
+
using namespace clang;
using namespace sema;
@@ -37,7 +39,7 @@
DD.AvailabilityData.UnknownObjCClass = UnknownObjCClass;
DD.AvailabilityData.ObjCProperty = ObjCProperty;
char *MessageData = nullptr;
- if (Msg.size()) {
+ if (!Msg.empty()) {
MessageData = new char [Msg.size()];
memcpy(MessageData, Msg.data(), Msg.size());
}