Index: test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
===================================================================
--- test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
+++ test/std/input.output/iostream.format/ext.manip/put_money.pass.cpp
@@ -40,7 +40,7 @@
             if (__c != base::traits_type::eof())
             {
                 int n = str_.size();
-                str_.push_back(__c);
+                str_.push_back(static_cast<CharT>(__c));
                 str_.resize(str_.capacity());
                 base::setp(const_cast<CharT*>(str_.data()),
                            const_cast<CharT*>(str_.data() + str_.size()));
Index: test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp
===================================================================
--- test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp
+++ test/std/input.output/iostream.format/input.streams/istream.formatted/istream_extractors/streambuf.pass.cpp
@@ -46,7 +46,7 @@
             if (__c != base::traits_type::eof())
             {
                 int n = str_.size();
-                str_.push_back(__c);
+                str_.push_back(static_cast<CharT>(__c));
                 str_.resize(str_.capacity());
                 base::setp(const_cast<CharT*>(str_.data()),
                            const_cast<CharT*>(str_.data() + str_.size()));