Dimitry Andric: many visibility fixes. Howard: Much appreciated. Can you send me a patch to CREDITS.TXT? git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@163862 91177308-0d34-0410-b5e6-96231b3b80d8 
diff --git a/include/ostream b/include/ostream index e6dd4b5..b135ddb 100644 --- a/include/ostream +++ b/include/ostream 
@@ -169,7 +169,7 @@  public:    // 27.7.2.4 Prefix/suffix: - class sentry; + class _LIBCPP_VISIBLE sentry;    // 27.7.2.6 Formatted output:  basic_ostream& operator<<(basic_ostream& (*__pf)(basic_ostream&));