https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104533
Bug ID: 104533 Summary: [12 Regression] ICE in update_vtable_references, at ipa-visibility.cc:383 Product: gcc Version: 12.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gs...@t-online.de Target Milestone: --- Started between 20211114 and 20211121 : $ cat z1.cc struct B { virtual ~B(); }; __attribute__((target_clones("avx"))) B::~B() = default; $ cat z2.cc struct B { virtual ~B(); }; __attribute__((target_clones("sse","avx"))) B::~B() = default; $ g++-12-20220213 -c z1.cc -fPIC -Ofast during IPA pass: visibility z1.cc:5:18: internal compiler error: Segmentation fault 5 | B::~B() = default; | ^ 0xda1fdf crash_signal ../../gcc/toplev.cc:322 0x19be64f update_vtable_references ../../gcc/ipa-visibility.cc:383 0x1029952 walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*)) ../../gcc/tree.cc:11070 0x1029b9c walk_tree_1(tree_node**, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*, tree_node* (*)(tree_node**, int*, tree_node* (*)(tree_node**, int*, void*), void*, hash_set<tree_node*, false, default_hash_traits<tree_node*> >*)) ../../gcc/tree.cc:11157 0x19bf549 function_and_variable_visibility ../../gcc/ipa-visibility.cc:868