[Bug c++/94951] [8/9/10/11 Regression] dereferencing type-punned pointer will break strict-aliasing rules when using super class for a template type

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94951

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

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

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 48456
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=48456&action=edit
gcc11-pr94951.patch

Untested fix.  It seems just wrong to call the c-family strict_aliasing_warning
for dependent types, we shouldn't query alias sets of dependent types and do
any decisions based on what that gives.