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* [Bug c++/107003] New: ICE in mangle_decl, at cp/mangle.cc:4112 @ 2022-09-21 17:38 gscfq@t-online.de 2022-09-21 17:43 ` [Bug c++/107003] " mpolacek at gcc dot gnu.org 2022-09-22 19:20 ` [Bug c++/107003] ICE in mangle_decl, at cp/mangle.cc:4112 since r6-1066-g233ce289250944dd marxin at gcc dot gnu.org 0 siblings, 2 replies; 3+ messages in thread From: gscfq@t-online.de @ 2022-09-21 17:38 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107003 Bug ID: 107003 Summary: ICE in mangle_decl, at cp/mangle.cc:4112 Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: gscfq@t-online.de Target Milestone: --- Affects versions down to r6, at -O2+ : $ cat z1.cc #include <experimental/list> namespace pmr = std::experimental::pmr; void f () { using pl = pmr::list<int>; pl a; return; } $ gcc-13-20220918 -c z1.cc -O2 -flto -fno-weak during IPA pass: *free_lang_data In file included from .../include/c++/13.0.0/experimental/list:38, from z1.cc:1: .../include/c++/13.0.0/experimental/memory_resource:520:11: internal compiler error: in mangle_decl, at cp/mangle.cc:4112 520 | class type final : public memory_resource | ^~~~ 0x95d694 mangle_decl(tree_node*) ../../gcc/cp/mangle.cc:4111 0x1504062 decl_assembler_name(tree_node*) ../../gcc/tree.cc:741 0x1536050 assign_assembler_name_if_needed(tree_node*) ../../gcc/tree.cc:856 0x201be6d free_lang_data_in_cgraph ../../gcc/ipa-free-lang-data.cc:1064 0x201be6d free_lang_data ../../gcc/ipa-free-lang-data.cc:1109 0x201be6d execute ../../gcc/ipa-free-lang-data.cc:1176 ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/107003] ICE in mangle_decl, at cp/mangle.cc:4112 2022-09-21 17:38 [Bug c++/107003] New: ICE in mangle_decl, at cp/mangle.cc:4112 gscfq@t-online.de @ 2022-09-21 17:43 ` mpolacek at gcc dot gnu.org 2022-09-22 19:20 ` [Bug c++/107003] ICE in mangle_decl, at cp/mangle.cc:4112 since r6-1066-g233ce289250944dd marxin at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: mpolacek at gcc dot gnu.org @ 2022-09-21 17:43 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107003 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mpolacek at gcc dot gnu.org Status|UNCONFIRMED |NEW Ever confirmed|0 |1 Last reconfirmed| |2022-09-21 --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Confirmed. g++6 ICEs as well. ^ permalink raw reply [flat|nested] 3+ messages in thread
* [Bug c++/107003] ICE in mangle_decl, at cp/mangle.cc:4112 since r6-1066-g233ce289250944dd 2022-09-21 17:38 [Bug c++/107003] New: ICE in mangle_decl, at cp/mangle.cc:4112 gscfq@t-online.de 2022-09-21 17:43 ` [Bug c++/107003] " mpolacek at gcc dot gnu.org @ 2022-09-22 19:20 ` marxin at gcc dot gnu.org 1 sibling, 0 replies; 3+ messages in thread From: marxin at gcc dot gnu.org @ 2022-09-22 19:20 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107003 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|ICE in mangle_decl, at |ICE in mangle_decl, at |cp/mangle.cc:4112 |cp/mangle.cc:4112 since | |r6-1066-g233ce289250944dd CC| |hubicka at gcc dot gnu.org, | |marxin at gcc dot gnu.org --- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- Reduced test-case: $ cat pr107003.ii template < typename _Default, template < typename > class > using __detected_or_t = _Default; template < typename, typename > struct __replace_first_arg; template < template < typename... > class _Template, typename _Up, typename _Tp, typename... _Types > struct __replace_first_arg< _Template< _Tp, _Types... >, _Up > { using type = _Template< _Up >; }; template < typename _Tp > using __pointer = typename _Tp::pointer; template < typename _Tp > struct __rebind : __replace_first_arg< _Tp, int > {}; template < typename _Alloc, typename > using __alloc_rebind = typename __rebind< _Alloc >::type; template < typename _Alloc > struct allocator_traits { using pointer = __detected_or_t< typename _Alloc::value_type *, __pointer >; template < typename _Tp > using rebind_alloc = __alloc_rebind< _Alloc, _Tp >; static void deallocate(_Alloc __a, pointer __p, int __n) { __a.deallocate(__p, __n); } }; template < typename _Alloc > struct __alloc_traits : allocator_traits< _Alloc > { template < typename > struct rebind { typedef typename allocator_traits< _Alloc >::template rebind_alloc< int > other; }; }; template < typename _Alloc > struct _List_base { typedef __alloc_traits< _Alloc > _Tp_alloc_traits; typedef typename _Tp_alloc_traits::template rebind< int >::other _Node_alloc_type; typedef __alloc_traits< _Node_alloc_type > _Node_alloc_traits; struct : _Node_alloc_type { } _M_impl; typename _Node_alloc_traits::pointer _M_put_node___p; _List_base() { _Node_alloc_traits::deallocate(_M_impl, _M_put_node___p, 1); } }; namespace experimental { inline namespace fundamentals_v2 { void *deallocate___p; long deallocate___bytes; long deallocate___alignment; struct memory_resource { void deallocate() { do_deallocate(deallocate___p, deallocate___bytes, deallocate___alignment); } virtual void do_deallocate(void *, unsigned long, unsigned long); }; template < class > struct polymorphic_allocator { using value_type = int; void deallocate(int *, long) { _M_resource.deallocate(); } memory_resource _M_resource; }; inline void null_memory_resource() { struct final : memory_resource { void do_deallocate(void *, unsigned long, unsigned long) {} }; } template < typename _Tp > using list = _List_base< polymorphic_allocator< _Tp > >; } list< int > a; } started failing since r6-1066-g233ce289250944dd. ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-09-22 19:21 UTC | newest] Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2022-09-21 17:38 [Bug c++/107003] New: ICE in mangle_decl, at cp/mangle.cc:4112 gscfq@t-online.de 2022-09-21 17:43 ` [Bug c++/107003] " mpolacek at gcc dot gnu.org 2022-09-22 19:20 ` [Bug c++/107003] ICE in mangle_decl, at cp/mangle.cc:4112 since r6-1066-g233ce289250944dd marxin at gcc dot gnu.org
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