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Subject: [Bug c++/47346] access control for nested type is ignored in class
 template
Date: Tue, 16 Jun 2020 12:59:55 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D47346

--- Comment #19 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Patrick Palka <ppalka@gcc.gnu.org>:

https://gcc.gnu.org/g:668ef28fbb44c1e51d9c5a35b421903c98d87b03

commit r11-1351-g668ef28fbb44c1e51d9c5a35b421903c98d87b03
Author: Patrick Palka <ppalka@redhat.com>
Date:   Tue Jun 16 08:21:36 2020 -0400

    c++: Clean up previous change [PR41437]

    The previous patch mostly avoided making any changes that had no
    functional impact, such as adjusting now-outdated comments and
    performing renamings.  Such changes have been consolidated to this
    followup patch for easier review.

    The main change here is that we now reuse struct deferred_access_check
    as the element type of the vector TI_TYPEDEFS_NEEDING_ACCESS_CHECKING
    (now renamed to TI_DEFERRED_ACCESS_CHECKS, since it may contain any kind
    of access check).

    gcc/cp/ChangeLog:

            PR c++/41437
            PR c++/47346
            * cp-tree.h (qualified_typedef_usage_s): Delete.
            (qualified_typedef_usage_t): Delete.
            (deferred_access_check): Move up in file.
            (tree_template_info::typedefs_needing_access_checking): Delete.
            (tree_template_info::deferred_access_checks): New field.
            (TI_TYPEDEFS_NEEDING_ACCESS_CHECKING): Rename to ...
            (TI_DEFERRED_ACCESS_CHECKS): ... this, and adjust accordingly.
            * pt.c (perform_typedefs_access_check): Rename to ...
            (perform_instantiation_time_access_checks): ... this, and adjust
            accordingly.  Remove unnecessary tree tests.
            (instantiate_class_template_1): Adjust accordingly.
            (instantiate_decl): Likewise.
            * semantics.c (enforce_access): Likewise.=