Fix Clang-tidy modernize-use-nullptr warnings in source directories; other minor cleanups

Patch by Eugene Zelenko!

Differential Revision: http://reviews.llvm.org/D13406

llvm-svn: 249484

1 files changed, 6 insertions, 6 deletions

diff --git a/clang/lib/Frontend/ASTUnit.cpp b/clang/lib/Frontend/ASTUnit.cpp
index bac9c386a6a..d3d7185ea3a 100644
--- a/clang/lib/Frontend/ASTUnit.cpp
+++ b/clang/lib/Frontend/ASTUnit.cpp
@@ -1,4 +1,4 @@
-//===--- ASTUnit.cpp - ASTUnit utility ------------------------------------===//
+//===--- ASTUnit.cpp - ASTUnit utility --------------------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -47,6 +47,7 @@
 #include <atomic>
 #include <cstdio>
 #include <cstdlib>
+
 using namespace clang;
 
 using llvm::TimeRecord;
@@ -973,7 +974,7 @@ public:
   }
 };
 
-}
+} // anonymous namespace
 
 std::unique_ptr<ASTConsumer>
 PrecompilePreambleAction::CreateASTConsumer(CompilerInstance &CI,
@@ -2120,7 +2121,7 @@ namespace {
       return Next.getCodeCompletionTUInfo();
     }
   };
-}
+} // anonymous namespace
 
 /// \brief Helper function that computes which global names are hidden by the
 /// local code-completion results.
@@ -2206,7 +2207,6 @@ static void CalculateHiddenNames(const CodeCompletionContext &Context,
   }
 }
 
-
 void AugmentedCodeCompleteConsumer::ProcessCodeCompleteResults(Sema &S,
                                             CodeCompletionContext Context,
                                             CodeCompletionResult *Results,
@@ -2840,9 +2840,9 @@ void ASTUnit::ConcurrencyState::finish() {
 
 #else // NDEBUG
 
-ASTUnit::ConcurrencyState::ConcurrencyState() { Mutex = 0; }
+ASTUnit::ConcurrencyState::ConcurrencyState() { Mutex = nullptr; }
 ASTUnit::ConcurrencyState::~ConcurrencyState() {}
 void ASTUnit::ConcurrencyState::start() {}
 void ASTUnit::ConcurrencyState::finish() {}
 
-#endif
+#endif // NDEBUG