https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83503

Jason Merrill <jason at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |NEW
           Assignee|jason at gcc dot gnu.org           |unassigned at gcc dot 
gnu.org

--- Comment #4 from Jason Merrill <jason at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #3)

If we want to make that change (for C and C++), then handle_const_attribute
could simply remove any instances of pure in DECL_ATTRIBUTES.

To address 83871 and 83502 as well, I think we want to have
cplus_decl_attributes prune conflicting attributes from the DECL_ATTRIBUTES
when DECL_TEMPLATE_SPECIALIZATION.  This should share a lot of the
diag_attr_exclusions code; Martin, want to handle that?

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