Add an explicit keyword.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71022 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Support/ValueHandle.h b/include/llvm/Support/ValueHandle.h
index f9b30fcf0a0cee901d95dff6a6ef45945cf534fb..5c6fb74c1f5fde435399de5db79569ad212b2ab6 100644 (file)
--- a/include/llvm/Support/ValueHandle.h
+++ b/include/llvm/Support/ValueHandle.h
@@ -53,7 +53,8 @@ private:
   ValueHandleBase *Next;
   Value *VP;
 public:
-  ValueHandleBase(HandleBaseKind Kind) : PrevPair(0, Kind), Next(0), VP(0) {}
+  explicit ValueHandleBase(HandleBaseKind Kind)
+    : PrevPair(0, Kind), Next(0), VP(0) {}
   ValueHandleBase(HandleBaseKind Kind, Value *V)
     : PrevPair(0, Kind), Next(0), VP(V) {
     if (V)