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[Bug c++/80981] [7/8 Regression] couldn't deduce template parameter for an obvious case
- From: "trippels at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 05 Jun 2017 11:59:56 +0000
- Subject: [Bug c++/80981] [7/8 Regression] couldn't deduce template parameter for an obvious case
- Auto-submitted: auto-generated
- References: <bug-80981-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80981
Markus Trippelsdorf <trippels at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |trippels at gcc dot gnu.org
Resolution|--- |INVALID
--- Comment #2 from Markus Trippelsdorf <trippels at gcc dot gnu.org> ---
The error looks valid. Even clang rejects it when using a vanilla class a
(without template).
You need a forward declaration of void b() in this case.