Merge branch 'develop'

.gitignore

@@ -1 +1,2 @@
 /.vscode/ipch/*
+/.vscode/settings.json

test/cloning_test.cpp

@@ -9,6 +9,7 @@
 #include <boost/detail/lightweight_test.hpp>
 #include <boost/detail/workaround.hpp>
 #include <string>
+#include <ios>
 
 typedef boost::error_info<struct my_tag,int> my_info;
 

test/no_exceptions_test.cpp

@@ -41,6 +41,11 @@ boost
 #endif
         exit(boost::report_errors());
         }
+    void
+    throw_exception(std::exception const & x, boost::source_location const &)
+        {
+        throw_exception(x);
+        }
     }
 
 int