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From: "amorvincitomnia.iw at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/100616] New: [modules] ICE when a class template taking a non-type template argument is used both inside and outside the defining module Date: Sat, 15 May 2021 18:59:35 +0000 [thread overview] Message-ID: <bug-100616-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100616 Bug ID: 100616 Summary: [modules] ICE when a class template taking a non-type template argument is used both inside and outside the defining module Product: gcc Version: 11.1.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: amorvincitomnia.iw at gmail dot com Target Milestone: --- See it live: https://wandbox.org/permlink/QUKvRN5GI1feSldA Minimal code to reproduce ICE: // test.cc export module test; export { struct A{}; template <auto x> struct C { }; C<A{}> c1; } // prog.cc import test; C<1> c2; Compile this with: $ g++ "-std=c++20" "-fmodules-ts" "test.cc" "prog.cc" Generates: In module test, imported at prog.cc:2: test.cc: In instantiation of 'struct C@test<1>': prog.cc:3:6: required from here test.cc:8:12: internal compiler error: Segmentation fault 8 | struct C { | ^ 0xcac40f crash_signal ../../source/gcc/toplev.c:327 0x7e6673 comptypes(tree_node*, tree_node*, int) ../../source/gcc/cp/typeck.c:1544 0x7e6673 comptypes(tree_node*, tree_node*, int) ../../source/gcc/cp/typeck.c:1527 0x6a894f complete_vars(tree_node*) ../../source/gcc/cp/decl.c:17761 0x65f97b finish_struct_1(tree_node*) ../../source/gcc/cp/class.c:7505 0x7b1014 instantiate_class_template_1 ../../source/gcc/cp/pt.c:12248 0x7b1e42 instantiate_class_template(tree_node*) ../../source/gcc/cp/pt.c:12288 0x7e380b complete_type(tree_node*) ../../source/gcc/cp/typeck.c:143 0x7e380b complete_type(tree_node*) ../../source/gcc/cp/typeck.c:111 0x6a1aeb start_decl_1(tree_node*, bool) ../../source/gcc/cp/decl.c:5677 0x6b283f start_decl(cp_declarator const*, cp_decl_specifier_seq*, int, tree_node*, tree_node*, tree_node**) ../../source/gcc/cp/decl.c:5643 0x771343 cp_parser_init_declarator ../../source/gcc/cp/parser.c:21759 0x74fac4 cp_parser_simple_declaration ../../source/gcc/cp/parser.c:14464 0x779cb5 cp_parser_declaration ../../source/gcc/cp/parser.c:14161 0x77a98e cp_parser_toplevel_declaration ../../source/gcc/cp/parser.c:14190 0x77a98e cp_parser_translation_unit ../../source/gcc/cp/parser.c:4942 0x77a98e c_parse_file() ../../source/gcc/cp/parser.c:45372 0x84b46d c_common_parse_file() ../../source/gcc/c-family/c-opts.c:1218 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. Reproduces in both g++ 11.1.0 and 12.0.0 20210510.
next reply other threads:[~2021-05-15 18:59 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-15 18:59 amorvincitomnia.iw at gmail dot com [this message] 2021-05-15 20:11 ` [Bug c++/100616] [modules] ICE when a variable of class taking a non-type template argument is defined both inside and outside the module amorvincitomnia.iw at gmail dot com 2021-05-16 9:22 ` amorvincitomnia.iw at gmail dot com 2022-09-29 11:42 ` cvs-commit at gcc dot gnu.org 2022-09-29 21:05 ` ppalka at gcc dot gnu.org 2022-10-18 15:10 ` ppalka at gcc dot gnu.org
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