[Lldb-commits] [lldb] r207129 - Making a SharingPtr out of a nullptr_t should be a safe and allowed operation

[Enrico Granata]

Author: enrico
Date: Thu Apr 24 12:28:09 2014
New Revision: 207129

URL: http://llvm.org/viewvc/llvm-project?rev=207129&view=rev
Log:
Making a SharingPtr out of a nullptr_t should be a safe and allowed operation

Modified:
    lldb/trunk/include/lldb/Utility/SharingPtr.h

Modified: lldb/trunk/include/lldb/Utility/SharingPtr.h
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/include/lldb/Utility/SharingPtr.h?rev=207129&r1=207128&r2=207129&view=diff
==============================================================================
--- lldb/trunk/include/lldb/Utility/SharingPtr.h (original)
+++ lldb/trunk/include/lldb/Utility/SharingPtr.h Thu Apr 24 12:28:09 2014
@@ -138,6 +138,7 @@ private:
     struct nat {int for_bool_;};
 public:
     SharingPtr();
+    SharingPtr(std::nullptr_t);
     template<class Y> explicit SharingPtr(Y* p);
     template<class Y> explicit SharingPtr(Y* p, imp::shared_count *ctrl_block);
     template<class Y> SharingPtr(const SharingPtr<Y>& r, element_type *p); 
@@ -191,6 +192,14 @@ SharingPtr<T>::SharingPtr()
       cntrl_(0)
 {
 }
+    
+template<class T>
+inline
+SharingPtr<T>::SharingPtr(std::nullptr_t)
+: ptr_(0),
+cntrl_(0)
+{
+}
 
 template<class T>
 template<class Y>