1 files changed, 3 insertions, 3 deletions

diff --git a/contrib/llvm/lib/Support/PrettyStackTrace.cpp b/contrib/llvm/lib/Support/PrettyStackTrace.cpp
index 722f4ca81b6c..987778a1bde6 100644
--- a/contrib/llvm/lib/Support/PrettyStackTrace.cpp
+++ b/contrib/llvm/lib/Support/PrettyStackTrace.cpp
@@ -13,6 +13,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Support/PrettyStackTrace.h"
+#include "llvm-c/Core.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/Config/config.h"     // Get autoconf configuration settings
 #include "llvm/Support/ManagedStatic.h"
@@ -20,7 +21,6 @@
 #include "llvm/Support/ThreadLocal.h"
 #include "llvm/Support/Watchdog.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm-c/Core.h"
 
 #ifdef HAVE_CRASHREPORTERCLIENT_H
 #include <CrashReporterClient.h>
@@ -46,7 +46,7 @@ static unsigned PrintStack(const PrettyStackTraceEntry *Entry, raw_ostream &OS){
 /// PrintCurStackTrace - Print the current stack trace to the specified stream.
 static void PrintCurStackTrace(raw_ostream &OS) {
   // Don't print an empty trace.
-  if (PrettyStackTraceHead->get() == 0) return;
+  if (!PrettyStackTraceHead->get()) return;
   
   // If there are pretty stack frames registered, walk and emit them.
   OS << "Stack dump:\n";
@@ -136,7 +136,7 @@ void PrettyStackTraceProgram::print(raw_ostream &OS) const {
 }
 
 static bool RegisterCrashPrinter() {
-  sys::AddSignalHandler(CrashHandler, 0);
+  sys::AddSignalHandler(CrashHandler, nullptr);
   return false;
 }