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From: "fxcoudert at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/105838] [11/12 Regression] g++ 12.1.0 runs out of memory or time when building const std::vector of std::strings Date: Sat, 19 Aug 2023 09:22:39 +0000 [thread overview] Message-ID: <bug-105838-4-gMYV1wYGur@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-105838-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105838 Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |fxcoudert at gcc dot gnu.org --- Comment #25 from Francois-Xavier Coudert <fxcoudert at gcc dot gnu.org> --- The new test (g++.dg/tree-ssa/initlist-opt5.C) fails on darwin. The gimple dump is like this: void f (const char * p) { const struct basic_string * retval.0; const struct basic_string * D.24981; const struct basic_string * D.24982; long int D.24983; struct allocator D.24824; struct initializer_list lst; const struct basic_string D.24980[72]; try { lst = {}; lst._M_len = 72; D.24981 = &D.24980; D.24982 = D.24981; D.24983 = 71; try { _4 = D.24982; try { std::allocator<char>::allocator (&D.24824); try { std::__cxx11::basic_string<char>::basic_string (_4, "aahing", &D.24824); D.24982 = D.24982 + 32; D.24983 = D.24983 + -1; _5 = D.24982; std::__cxx11::basic_string<char>::basic_string (_5, "aaliis", &D.24824); D.24982 = D.24982 + 32; D.24983 = D.24983 + -1; _6 = D.24982; std::__cxx11::basic_string<char>::basic_string (_6, "aarrgh", &D.24824); D.24982 = D.24982 + 32; D.24983 = D.24983 + -1; _7 = D.24982; [...] std::__cxx11::basic_string<char>::basic_string (_75, "absent", &D.24824); D.24982 = D.24982 + 32; D.24983 = D.24983 + -1; retval.0 = D.24981; D.24983 = 71; lst._M_array = &D.24980; } finally { std::allocator<char>::~allocator (&D.24824); } } finally { D.24824 = {CLOBBER(eol)}; } } catch { { const struct basic_string * D.24984; if (D.24981 != 0B) goto <D.27734>; else goto <D.27735>; <D.27734>: _1 = 71 - D.24983; _2 = (sizetype) _1; _3 = _2 * 32; D.24984 = D.24981 + _3; <D.27736>: if (D.24984 == D.24981) goto <D.27737>; else goto <D.27738>; <D.27738>: D.24984 = D.24984 + 18446744073709551584; std::__cxx11::basic_string<char>::~basic_string (D.24984); goto <D.27736>; <D.27737>: goto <D.27739>; <D.27735>: <D.27739>: } } try { g (&lst); } finally { { const struct basic_string * D.24985; D.24985 = &D.24980 + 2304; <D.27740>: if (&D.24980 == D.24985) goto <D.27741>; else goto <D.27742>; <D.27742>: D.24985 = D.24985 + 18446744073709551584; std::__cxx11::basic_string<char>::~basic_string (D.24985); goto <D.27740>; <D.27741>: } } } finally { lst = {CLOBBER(eol)}; D.24980 = {CLOBBER(eol)}; } } __attribute__((always_inline)) void std::allocator<char>::allocator (struct allocator * const this) { try { { std::__new_allocator<char>::__new_allocator (this); try { } catch { std::__new_allocator<char>::~__new_allocator (this); } } } catch { <<<eh_must_not_throw (terminate)>>> } } __attribute__((always_inline)) void std::__new_allocator<char>::__new_allocator (struct __new_allocator * const this) { try { { } } catch { <<<eh_must_not_throw (terminate)>>> } } __attribute__((always_inline)) void std::allocator<char>::~allocator (struct allocator * const this) { try { { try { } finally { std::__new_allocator<char>::~__new_allocator (this); } } } catch { <<<eh_must_not_throw (terminate)>>> } } void std::__new_allocator<char>::~__new_allocator (struct __new_allocator * const this) { try { { } } catch { <<<eh_must_not_throw (terminate)>>> } }
prev parent reply other threads:[~2023-08-19 9:22 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-06-03 16:22 [Bug c++/105838] New: " eisjmbjdfcukqlaely at nthrl dot com 2022-06-13 12:47 ` [Bug c++/105838] " rguenth at gcc dot gnu.org 2022-06-13 12:52 ` rguenth at gcc dot gnu.org 2022-06-14 11:56 ` rguenth at gcc dot gnu.org 2022-06-14 13:10 ` [Bug c++/105838] [10/11/12/13 Regression] " rguenth at gcc dot gnu.org 2022-06-14 13:11 ` rguenth at gcc dot gnu.org 2022-06-14 13:37 ` jakub at gcc dot gnu.org 2022-06-28 10:49 ` jakub at gcc dot gnu.org 2022-07-10 20:39 ` pinskia at gcc dot gnu.org 2022-07-11 15:43 ` luydorarko at vusra dot com 2022-12-05 17:57 ` jason at gcc dot gnu.org 2022-12-05 18:30 ` jakub at gcc dot gnu.org 2022-12-05 20:50 ` jason at gcc dot gnu.org 2022-12-05 20:58 ` jason at gcc dot gnu.org 2022-12-05 22:27 ` redi at gcc dot gnu.org 2022-12-05 22:34 ` jakub at gcc dot gnu.org 2022-12-05 23:57 ` jason at gcc dot gnu.org 2022-12-08 18:34 ` cvs-commit at gcc dot gnu.org 2022-12-08 18:41 ` cvs-commit at gcc dot gnu.org 2022-12-08 18:45 ` cvs-commit at gcc dot gnu.org 2022-12-15 5:26 ` cvs-commit at gcc dot gnu.org 2023-01-09 22:41 ` cvs-commit at gcc dot gnu.org 2023-06-02 15:01 ` [Bug c++/105838] [10/11/12/13/14 " cvs-commit at gcc dot gnu.org 2023-06-12 8:57 ` [Bug c++/105838] [10/11/12 " cvs-commit at gcc dot gnu.org 2023-07-07 10:43 ` [Bug c++/105838] [11/12 " rguenth at gcc dot gnu.org 2023-08-19 9:22 ` fxcoudert at gcc dot gnu.org [this message]
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