Hyeon-bin Jeong: libc++ fails to create any classes inherit from basic_ios if they
provided char type other than char or wchar_t. It throw exception during
construction, so there is no chance to imbue own ctype.
This fixes http://llvm.org/bugs/show_bug.cgi?id=13698
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@162648 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/ios b/include/ios
index e7a5094..d02651b 100644
--- a/include/ios
+++ b/include/ios
@@ -637,7 +637,7 @@
void set_rdbuf(basic_streambuf<char_type, traits_type>* __sb);
private:
basic_ostream<char_type, traits_type>* __tie_;
- char_type __fill_;
+ mutable int_type __fill_;
};
template <class _CharT, class _Traits>
@@ -659,7 +659,7 @@
{
ios_base::init(__sb);
__tie_ = 0;
- __fill_ = widen(' ');
+ __fill_ = traits_type::eof();
}
template <class _CharT, class _Traits>
@@ -731,6 +731,8 @@
_CharT
basic_ios<_CharT, _Traits>::fill() const
{
+ if (traits_type::eq_int_type(traits_type::eof(), __fill_))
+ __fill_ = widen(' ');
return __fill_;
}