[IR] Make AttributeSet constructor from AttributeSetNode* explicit

llvm-svn: 300119

diff --git a/llvm/include/llvm/IR/Attributes.h b/llvm/include/llvm/IR/Attributes.h
index 457682b..56f0f77 100644 (file)
--- a/llvm/include/llvm/IR/Attributes.h
+++ b/llvm/include/llvm/IR/Attributes.h
@@ -213,7 +213,7 @@ class AttributeSet {
   template <typename Ty> friend struct DenseMapInfo;
 
 private:
-  AttributeSet(AttributeSetNode *ASN) : SetNode(ASN) {}
+  explicit AttributeSet(AttributeSetNode *ASN) : SetNode(ASN) {}
 
 public:
   /// AttributeSet is a trivially copyable value type.