Hello Eric,
this commit causes new warnings on our bots:
clang/src/projects/libcxx/include/fstream:816:5: warning: default label in
switch which covers all enumeration values [-Wcovered-switch-default]
default:
The problem is with this defensive default statement in fstream:
template <class _CharT, class _Traits>
0792 typename basic_filebuf<_CharT, _Traits>::pos_type
0793 basic_filebuf<_CharT, _Traits>::seekoff(off_type __off, ios_base::seekdir
__way,
0794 ios_base::openmode)
0795 {
0796 #ifndef _LIBCPP_NO_EXCEPTIONS
0797 if (!__cv_)
0798 throw bad_cast();
0799 #endif
0800 int __width = __cv_->encoding();
0801 if (__file_ == 0 || (__width <= 0 && __off != 0) || sync())
0802 return pos_type(off_type(-1));
0803 // __width > 0 || __off == 0
0804 int __whence;
0805 switch (__way)
0806 {
0807 case ios_base::beg:
0808 __whence = SEEK_SET;
0809 break;
0810 case ios_base::cur:
0811 __whence = SEEK_CUR;
0812 break;
0813 case ios_base::end:
0814 __whence = SEEK_END;
0815 break;
0816 default:
0817 return pos_type(off_type(-1));
0818 }
I assume the correct way to fix this is to disable -Wcovered-switch-default
while compiling libcxx/src/experimental/filesystem/operations.cpp
Could you please investigate?
thanks,
Adrian
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