A few bits of N2994 didn't get fully implemented a long time ago. Thanks to [email protected] for the bug report
llvm-svn: 235134
diff --git a/libcxx/include/iterator b/libcxx/include/iterator
index 7f7e9ee1..c06ef8f 100644
--- a/libcxx/include/iterator
+++ b/libcxx/include/iterator
@@ -214,7 +214,7 @@
typedef traits traits_type;
typedef basic_istream<charT,traits> istream_type;
- istream_iterator();
+ constexpr istream_iterator();
istream_iterator(istream_type& s);
istream_iterator(const istream_iterator& x);
~istream_iterator();
@@ -765,7 +765,7 @@
istream_type* __in_stream_;
_Tp __value_;
public:
- _LIBCPP_INLINE_VISIBILITY istream_iterator() : __in_stream_(0) {}
+ _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR istream_iterator() : __in_stream_(0), __value_() {}
_LIBCPP_INLINE_VISIBILITY istream_iterator(istream_type& __s) : __in_stream_(&__s)
{
if (!(*__in_stream_ >> __value_))
