[Bug libstdc++/20806] [3.4/4.0/4.1 Regression] basic_filebuf::xsgetn() fails with text mode and DOS line endings and large buffers

[pcarlini at suse dot de]

-- 
           What    |Removed                     |Added
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   Target Milestone|4.0.1                       |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20806