GraphWriter: detect graph viewer programs at runtime

[oota-llvm.git] / lib / Support / SmallPtrSet.cpp

diff --git a/lib/Support/SmallPtrSet.cpp b/lib/Support/SmallPtrSet.cpp
index 844e41696f9293add19530459b4f1ebe26d38920..a80e095ec35a927a7c1a3adb81a71a9b771539be 100644 (file)
--- a/lib/Support/SmallPtrSet.cpp
+++ b/lib/Support/SmallPtrSet.cpp
@@ -103,7 +103,7 @@ const void * const *SmallPtrSetImplBase::FindBucketFor(const void *Ptr) const {
   unsigned ArraySize = CurArraySize;
   unsigned ProbeAmt = 1;
   const void *const *Array = CurArray;
-  const void *const *Tombstone = 0;
+  const void *const *Tombstone = nullptr;
   while (1) {
     // Found Ptr's bucket?
     if (Array[Bucket] == Ptr)