https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110612
--- Comment #1 from David Binderman <dcb314 at hotmail dot com> --- A couple more clang warnings related to the text-art directory: /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/bits/unique_ptr.h:99:2: warning: delete called on non-final 'ana::string_region_spatial_item' that has virtual functions but non-virtual destructor [-Wdelete-non-abstract-non-virtual-dtor] /usr/bin/../lib/gcc/x86_64-redhat-linux/13/../../../../include/c++/13/bits/unique_ptr.h:99:2: warning: delete called on non-final 'ana::svalue_spatial_item' that has virtual functions but non-virtual destructor [-Wdelete-non-abstract-non-virtual-dtor] $ grep -F string_region_spatial_item */*.cc analyzer/access-diagram.cc: 01| ALIGNED CHILD WIDGET (lines 01-07): (string_region_spatial_item)-+-----+ analyzer/access-diagram.cc:class string_region_spatial_item : public svalue_spatial_item analyzer/access-diagram.cc: string_region_spatial_item (const access_operation &op, analyzer/access-diagram.cc: return make_unique <string_region_spatial_item> (op, sval, actual_bits, $ $ grep -n virtual analyzer/access-diagram.cc 1128: virtual void add_boundaries (boundaries &out, logger *) const = 0; 1130: virtual table make_table (const bit_to_table_map &btm, gcc $