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

Patch by Eugene Zelenko!

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

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@249484 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 3 deletions

diff --git a/tools/libclang/CXLoadedDiagnostic.cpp b/tools/libclang/CXLoadedDiagnostic.cpp
index 754ad55a66..2c10d34844 100644
--- a/tools/libclang/CXLoadedDiagnostic.cpp
+++ b/tools/libclang/CXLoadedDiagnostic.cpp
@@ -25,6 +25,7 @@
 #include "llvm/Bitcode/BitstreamReader.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MemoryBuffer.h"
+
 using namespace clang;
 
 //===----------------------------------------------------------------------===//
@@ -56,7 +57,7 @@ public:
     return mem;
   }
 };
-}
+} // end anonymous namespace
 
 //===----------------------------------------------------------------------===//
 // Cleanup.
@@ -246,7 +247,7 @@ public:
 
   CXDiagnosticSet load(const char *file);
 };
-}
+} // end anonymous namespace
 
 CXDiagnosticSet DiagLoader::load(const char *file) {
   TopDiags = llvm::make_unique<CXLoadedDiagnosticSetImpl>();
@@ -264,7 +265,7 @@ CXDiagnosticSet DiagLoader::load(const char *file) {
       reportInvalidFile(EC.message());
       break;
     }
-    return 0;
+    return nullptr;
   }
 
   return (CXDiagnosticSet)TopDiags.release();