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From: "carlosgalvezp at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/109669] New: Internal Compiler Error when zero-initializing std::array Date: Fri, 28 Apr 2023 14:08:37 +0000 [thread overview] Message-ID: <bug-109669-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109669 Bug ID: 109669 Summary: Internal Compiler Error when zero-initializing std::array Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: carlosgalvezp at gmail dot com Target Milestone: --- Hi, We are getting an ICE when bumping from 6910cad55ffc330dc9767d2c8e0b66ccfa4134af to cc035c5d8672f87dc8c2756d9f8367903aa72d93 (GCC 13.1.0 release) on the following reduced example: #include <array> template <typename T, std::size_t n> struct Point { private: T value_[n]{}; }; struct Edge { Point<float, 3> start{}; Point<float, 3> end{}; }; template <typename T, std::size_t n> class StaticVector { public: static StaticVector create() { StaticVector output; return output; } private: std::array<T, n> data{}; }; class Polygon { public: using Edges = StaticVector<Edge, 3>; Edges edges() const { auto edges = Edges::create(); return edges; } }; void foo() { Polygon polygon{}; auto const edges = polygon.edges(); } Godbolt: https://godbolt.org/z/183zv1xrK Error: <source>: In instantiation of 'constexpr StaticVector<Edge, 3>::StaticVector()': <source>:22:22: required from 'static StaticVector<T, n> StaticVector<T, n>::create() [with T = Edge; long unsigned int n = 3]' <source>:36:35: required from here <source>:27:22: internal compiler error: Segmentation fault 27 | std::array<T, n> data{}; | ^~~~ 0x234da0e internal_error(char const*, ...) ???:0 0xccea48 finish_for_cond(tree_node*, tree_node*, bool, unsigned short) ???:0 0xb7bad3 build_vec_init(tree_node*, tree_node*, tree_node*, bool, int, int, vec<tree_node*, va_gc, vl_embed>**) ???:0 0xce5cfb expand_vec_init_expr(tree_node*, tree_node*, int, vec<tree_node*, va_gc, vl_embed>**) ???:0 0xd200c1 digest_nsdmi_init(tree_node*, tree_node*, int) ???:0 0xb813b7 maybe_instantiate_nsdmi_init(tree_node*, int) ???:0 0xb819f9 get_nsdmi(tree_node*, bool, int) ???:0 0xba932d get_defaulted_eh_spec(tree_node*, int) ???:0 0xc76d4a maybe_instantiate_noexcept(tree_node*, int) ???:0 0xc76b5a maybe_instantiate_noexcept(tree_node*, int) ???:0 0xb5c2b3 mark_used(tree_node*, int) ???:0 0xa9931e build_new_method_call(tree_node*, tree_node*, vec<tree_node*, va_gc, vl_embed>**, tree_node*, int, tree_node**, int) ???:0 0xa9a4c7 build_special_member_call(tree_node*, tree_node*, vec<tree_node*, va_gc, vl_embed>**, tree_node*, int, int) ???:0 0xb7d468 build_aggr_init(tree_node*, tree_node*, int, int) ???:0 0xb4c768 cp_finish_decl(tree_node*, tree_node*, bool, tree_node*, int) ???:0 0xc80395 instantiate_decl(tree_node*, bool, bool) ???:0 0xcab7fb instantiate_pending_templates(int) ???:0 0xb5f735 c_parse_final_cleanups() ???:0 0xd8f918 c_common_parse_file() ???:0 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Compiler returned: 1 I tried to reduce it with creduce but creduce itself crashed :/
next reply other threads:[~2023-04-28 14:08 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-04-28 14:08 carlosgalvezp at gmail dot com [this message] 2023-04-28 14:20 ` [Bug c++/109669] " mpolacek at gcc dot gnu.org
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