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[libcxx] Don't depend on availability markup to provide the streams in the dylib

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Whether an explicit instantiation declaration should be provided is not
a matter of availability markup.

This problem is exemplified by the fact that some tests were incorrectly
marked as XFAIL when they should instead have been using the definition
of streams from the headers, and hence passing, and that, regardless of
whether visibility annotations are enabled.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@348436 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Louis Dionne
2018-12-06 00:24:58 +00:00
parent bf62394ab6
commit caae3ec675
16 changed files with 20 additions and 36 deletions
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2
include/streambuf
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@@ -486,7 +486,7 @@ basic_streambuf<_CharT, _Traits>::overflow(int_type)
return traits_type::eof();
}
#ifndef _LIBCPP_AVAILABILITY_NO_STREAMS_EXTERN_TEMPLATE
#ifndef _LIBCPP_DO_NOT_ASSUME_STREAMS_EXPLICIT_INSTANTIATION_IN_DYLIB
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_streambuf<char>)
_LIBCPP_EXTERN_TEMPLATE(class _LIBCPP_EXTERN_TEMPLATE_TYPE_VIS basic_streambuf<wchar_t>)