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[Bug libstdc++/66438] libstdc++ 5.1 broke binary compat with old code using std::error_category
- From: "redi at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 06 Jun 2015 12:16:36 +0000
- Subject: [Bug libstdc++/66438] libstdc++ 5.1 broke binary compat with old code using std::error_category
- Auto-submitted: auto-generated
- References: <bug-66438-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66438
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Indeed. Before gcc-5 it was never supported to combine C++11 objects compiled
with different major versions.
The whole point of calling C++11 support experimental was that we reserved the
right to make incompatible changes to the C++11 features, otherwise you'd be
forever stuck with the partial C++0x support added around the gcc-4.4
timeframe.