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* [Bug c++/95263] New: ice in lookup_template_class_1 @ 2020-05-21 21:13 dcb314 at hotmail dot com 2020-05-21 21:36 ` [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b marxin at gcc dot gnu.org ` (4 more replies) 0 siblings, 5 replies; 6+ messages in thread From: dcb314 at hotmail dot com @ 2020-05-21 21:13 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95263 Bug ID: 95263 Summary: ice in lookup_template_class_1 Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: dcb314 at hotmail dot com Target Milestone: --- For this C++ code enum a { b }; template <class, a, class = int, class = int> class c; template <class ac, a ad = b> using d = c<ac, ad>; template <class> class f { template <class, a> using aj = int; }; template <class g> class h { public: using an = f<g>; template <class ai, a ad> using aj = typename an::aj<ai, ad>; template <a> void aw(); template <a ad, class ai> aj<ai, ad> aw(); }; template <class, a ad, class, class> class c : h<c<int, ad>> { public: c(); }; template <class az, a ad, class ba, class bb> c<az, ad, ba, bb>::c() { this->template aw<b>(); } void i() { d<int> e; } on recent gcc trunk, does this: bug610.cc: In substitution of ‘template<class g> template<class ai, a ad> using aj = typename h<g>::an::aj<ai, ad> [with ai = ai; a ad = b; g = c<int, b, int, i nt>]’: bug610.cc:10:40: required by substitution of ‘template<a ad, class ai> h<c<int , b, int, int> >::aj<ai, ad> h<c<int, b, int, int> >::aw<ad, ai>() [with a ad = b; ai = <missing>]’ bug610.cc:17:23: required from ‘c< <template-parameter-1-1>, <anonymous>, <tem plate-parameter-1-3>, <template-parameter-1-4> >::c() [with <template-parameter- 1-1> = int; a ad = b; <template-parameter-1-3> = int; <template-parameter-1-4> = int]’ bug610.cc:19:19: required from here bug610.cc:8:35: internal compiler error: in lookup_template_class_1, at cp/pt.c: 10076 8 | template <class ai, a ad> using aj = typename an::aj<ai, ad>; | ^~ 0x82a5b3 lookup_template_class_1(tree_node*, tree_node*, tree_node*, tree_node*, int, int) ../../trunk.git/gcc/cp/pt.c:10075 0x828739 lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*, i nt, int) ../../trunk.git/gcc/cp/pt.c:10128 0x815633 tsubst(tree_node*, tree_node*, int, tree_node*) ../../trunk.git/gcc/cp/pt.c:15831 The bug first seems to occur sometime between 20200519 and 20200520. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b 2020-05-21 21:13 [Bug c++/95263] New: ice in lookup_template_class_1 dcb314 at hotmail dot com @ 2020-05-21 21:36 ` marxin at gcc dot gnu.org 2020-05-21 21:42 ` nathan at gcc dot gnu.org ` (3 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: marxin at gcc dot gnu.org @ 2020-05-21 21:36 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95263 Martin Liška <marxin at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|ice in |[11 Regression] ICE in |lookup_template_class_1 |lookup_template_class_1 | |since | |r11-504-g74744bb1f2847b5b Keywords| |ice-on-valid-code Ever confirmed|0 |1 CC| |marxin at gcc dot gnu.org, | |nathan at gcc dot gnu.org Version|unknown |11.0 Target Milestone|--- |11.0 Last reconfirmed| |2020-05-21 Known to fail| |11.0 Status|UNCONFIRMED |NEW Known to work| |10.1.0 ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b 2020-05-21 21:13 [Bug c++/95263] New: ice in lookup_template_class_1 dcb314 at hotmail dot com 2020-05-21 21:36 ` [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b marxin at gcc dot gnu.org @ 2020-05-21 21:42 ` nathan at gcc dot gnu.org 2020-05-26 17:09 ` nathan at gcc dot gnu.org ` (2 subsequent siblings) 4 siblings, 0 replies; 6+ messages in thread From: nathan at gcc dot gnu.org @ 2020-05-21 21:42 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95263 Nathan Sidwell <nathan at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |nathan at gcc dot gnu.org ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b 2020-05-21 21:13 [Bug c++/95263] New: ice in lookup_template_class_1 dcb314 at hotmail dot com 2020-05-21 21:36 ` [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b marxin at gcc dot gnu.org 2020-05-21 21:42 ` nathan at gcc dot gnu.org @ 2020-05-26 17:09 ` nathan at gcc dot gnu.org 2020-05-27 13:59 ` cvs-commit at gcc dot gnu.org 2020-10-07 14:36 ` nathan at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: nathan at gcc dot gnu.org @ 2020-05-26 17:09 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95263 --- Comment #1 from Nathan Sidwell <nathan at gcc dot gnu.org> --- Reduced: template <typename> class TPL { template <int> using INT = int; }; template <typename T> class Klass { public: template <int I> using ALIAS = typename TPL<T>::INT<I>; template <int> static void FUNC (); // OK template <int I, typename> static ALIAS<I> FUNC (); // SFINAE error }; void Fn () { Klass<int>::FUNC<0> (); } ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b 2020-05-21 21:13 [Bug c++/95263] New: ice in lookup_template_class_1 dcb314 at hotmail dot com ` (2 preceding siblings ...) 2020-05-26 17:09 ` nathan at gcc dot gnu.org @ 2020-05-27 13:59 ` cvs-commit at gcc dot gnu.org 2020-10-07 14:36 ` nathan at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: cvs-commit at gcc dot gnu.org @ 2020-05-27 13:59 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95263 --- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Nathan Sidwell <nathan@gcc.gnu.org>: https://gcc.gnu.org/g:ac9face8d26ea4b6aa72902ecc22e89ef00763c5 commit r11-661-gac9face8d26ea4b6aa72902ecc22e89ef00763c5 Author: Nathan Sidwell <nathan@acm.org> Date: Wed May 27 09:50:15 2020 -0400 c++: Revert alias template change [pr95263] Turns out templates are more complicated than you think, even when you know they are more complicated than you think. Reverting this change. PR c++/95263 * pt.c (lookup_template_class_1): Restore alias template mutation. ^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b 2020-05-21 21:13 [Bug c++/95263] New: ice in lookup_template_class_1 dcb314 at hotmail dot com ` (3 preceding siblings ...) 2020-05-27 13:59 ` cvs-commit at gcc dot gnu.org @ 2020-10-07 14:36 ` nathan at gcc dot gnu.org 4 siblings, 0 replies; 6+ messages in thread From: nathan at gcc dot gnu.org @ 2020-10-07 14:36 UTC (permalink / raw) To: gcc-bugs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95263 Nathan Sidwell <nathan at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|ASSIGNED |RESOLVED --- Comment #3 from Nathan Sidwell <nathan at gcc dot gnu.org> --- forgot to mark resolved ^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-10-07 14:36 UTC | newest] Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2020-05-21 21:13 [Bug c++/95263] New: ice in lookup_template_class_1 dcb314 at hotmail dot com 2020-05-21 21:36 ` [Bug c++/95263] [11 Regression] ICE in lookup_template_class_1 since r11-504-g74744bb1f2847b5b marxin at gcc dot gnu.org 2020-05-21 21:42 ` nathan at gcc dot gnu.org 2020-05-26 17:09 ` nathan at gcc dot gnu.org 2020-05-27 13:59 ` cvs-commit at gcc dot gnu.org 2020-10-07 14:36 ` nathan at gcc dot gnu.org
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