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[Bug libstdc++/81395] [5/6/7/8 Regression] basic_filebuf::overflow recurses and overflows stack
- From: "paolo.carlini at oracle dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 11 Jul 2017 16:56:57 +0000
- Subject: [Bug libstdc++/81395] [5/6/7/8 Regression] basic_filebuf::overflow recurses and overflows stack
- Auto-submitted: auto-generated
- References: <bug-81395-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81395
--- Comment #6 from Paolo Carlini <paolo.carlini at oracle dot com> ---
The relevant xsgetn code essentially is an optimization, right? Shouldn't be
too difficult to figure out what would happen in the slow, correct case...
What's wrong with a normal uncommitted case, thus _M_reading = false?
Performance? Correctness?