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* [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization @ 2013-09-23 22:03 reichelt at gcc dot gnu.org 2013-09-23 22:20 ` [Bug c++/58518] [4.8/4.9 regression] ICE with " paolo.carlini at oracle dot com ` (5 more replies) 0 siblings, 6 replies; 7+ messages in thread From: reichelt at gcc dot gnu.org @ 2013-09-23 22:03 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 Bug ID: 58518 Summary: [4.8/4.9 regression] ICE template specialization Product: gcc Version: 4.9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++ Assignee: unassigned at gcc dot gnu.org Reporter: reichelt at gcc dot gnu.org The following valid code snippet triggers an ICE since GCC 4.8.0: ======================================== template<typename T> struct A { template<T, T> struct B {}; template<T t> struct B<t, t> {}; }; A<int>::B<0, 0> b; ======================================== bug.cc:7:17: internal compiler error: in tsubst, at cp/pt.c:11473 A<int>::B<0, 0> b; ^ 0x5a63d5 tsubst(tree_node*, tree_node*, int, tree_node*) ../../gcc/gcc/cp/pt.c:11473 0x5a92a2 convert_template_argument ../../gcc/gcc/cp/pt.c:6424 0x5a3135 coerce_template_parms ../../gcc/gcc/cp/pt.c:6827 0x5bf864 get_class_bindings ../../gcc/gcc/cp/pt.c:18177 0x5c0420 most_specialized_class ../../gcc/gcc/cp/pt.c:18398 0x5d0eb0 instantiate_class_template_1 ../../gcc/gcc/cp/pt.c:8687 0x5d0eb0 instantiate_class_template(tree_node*) ../../gcc/gcc/cp/pt.c:9216 0x65cdcb complete_type(tree_node*) ../../gcc/gcc/cp/typeck.c:132 0x54da66 start_decl_1(tree_node*, bool) ../../gcc/gcc/cp/decl.c:4670 0x577851 start_decl(cp_declarator const*, cp_decl_specifier_seq*, int, tree_node*, tree_node*, tree_node**) ../../gcc/gcc/cp/decl.c:4633 0x649a5a cp_parser_init_declarator ../../gcc/gcc/cp/parser.c:16447 0x64a32f cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:10986 0x64c190 cp_parser_block_declaration ../../gcc/gcc/cp/parser.c:10867 0x6551ae cp_parser_declaration ../../gcc/gcc/cp/parser.c:10764 0x653f0d cp_parser_declaration_seq_opt ../../gcc/gcc/cp/parser.c:10650 0x6557e6 cp_parser_translation_unit ../../gcc/gcc/cp/parser.c:3939 0x6557e6 c_parse_file() ../../gcc/gcc/cp/parser.c:28893 0x768164 c_common_parse_file() ../../gcc/gcc/c-family/c-opts.c:1046 Please submit a full bug report, [etc.] A little longer testcase triggers an ICE in a different function: ======================================== template<typename T> struct A { typedef typename T::X U; template<U, U> struct B {}; template<U u> struct B<u, u> {}; }; struct C { typedef int X; }; A<C>::B<0, 0> b; ======================================== bug.cc:14:15: internal compiler error: in dependent_type_p, at cp/pt.c:19969 A<C>::B<0, 0> b; ^ 0x588d28 dependent_type_p(tree_node*) ../../gcc/gcc/cp/pt.c:19969 0x589504 dependent_scope_p(tree_node*) ../../gcc/gcc/cp/pt.c:20000 0x54aed7 make_typename_type(tree_node*, tree_node*, tag_types, int) ../../gcc/gcc/cp/decl.c:3331 0x5a5781 tsubst(tree_node*, tree_node*, int, tree_node*) ../../gcc/gcc/cp/pt.c:11914 0x5a92a2 convert_template_argument ../../gcc/gcc/cp/pt.c:6424 0x5a3135 coerce_template_parms ../../gcc/gcc/cp/pt.c:6827 0x5bf864 get_class_bindings ../../gcc/gcc/cp/pt.c:18177 0x5c0420 most_specialized_class ../../gcc/gcc/cp/pt.c:18398 0x5d0eb0 instantiate_class_template_1 ../../gcc/gcc/cp/pt.c:8687 0x5d0eb0 instantiate_class_template(tree_node*) ../../gcc/gcc/cp/pt.c:9216 0x65cdcb complete_type(tree_node*) ../../gcc/gcc/cp/typeck.c:132 0x54da66 start_decl_1(tree_node*, bool) ../../gcc/gcc/cp/decl.c:4670 0x577851 start_decl(cp_declarator const*, cp_decl_specifier_seq*, int, tree_node*, tree_node*, tree_node**) ../../gcc/gcc/cp/decl.c:4633 0x649a5a cp_parser_init_declarator ../../gcc/gcc/cp/parser.c:16447 0x64a32f cp_parser_simple_declaration ../../gcc/gcc/cp/parser.c:10986 0x64c190 cp_parser_block_declaration ../../gcc/gcc/cp/parser.c:10867 0x6551ae cp_parser_declaration ../../gcc/gcc/cp/parser.c:10764 0x653f0d cp_parser_declaration_seq_opt ../../gcc/gcc/cp/parser.c:10650 0x6557e6 cp_parser_translation_unit ../../gcc/gcc/cp/parser.c:3939 0x6557e6 c_parse_file() ../../gcc/gcc/cp/parser.c:28893 Please submit a full bug report, [etc.] ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/58518] [4.8/4.9 regression] ICE with template specialization 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org @ 2013-09-23 22:20 ` paolo.carlini at oracle dot com 2013-09-24 12:43 ` mpolacek at gcc dot gnu.org ` (4 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: paolo.carlini at oracle dot com @ 2013-09-23 22:20 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|--- |4.8.2 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/58518] [4.8/4.9 regression] ICE with template specialization 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org 2013-09-23 22:20 ` [Bug c++/58518] [4.8/4.9 regression] ICE with " paolo.carlini at oracle dot com @ 2013-09-24 12:43 ` mpolacek at gcc dot gnu.org 2013-10-02 21:54 ` paolo.carlini at oracle dot com ` (3 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: mpolacek at gcc dot gnu.org @ 2013-09-24 12:43 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 Marek Polacek <mpolacek at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Ever confirmed|0 |1 Status|UNCONFIRMED |NEW Last reconfirmed| |2013-09-24 CC| |mpolacek at gcc dot gnu.org --- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> --- Confirmed (both). If these are different issues (and it seems they are), then we should split this PR. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/58518] [4.8/4.9 regression] ICE with template specialization 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org 2013-09-23 22:20 ` [Bug c++/58518] [4.8/4.9 regression] ICE with " paolo.carlini at oracle dot com 2013-09-24 12:43 ` mpolacek at gcc dot gnu.org @ 2013-10-02 21:54 ` paolo.carlini at oracle dot com 2013-10-16 9:49 ` jakub at gcc dot gnu.org ` (2 subsequent siblings) 5 siblings, 0 replies; 7+ messages in thread From: paolo.carlini at oracle dot com @ 2013-10-02 21:54 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P2 ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/58518] [4.8/4.9 regression] ICE with template specialization 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org ` (2 preceding siblings ...) 2013-10-02 21:54 ` paolo.carlini at oracle dot com @ 2013-10-16 9:49 ` jakub at gcc dot gnu.org 2013-10-20 14:48 ` paolo.carlini at oracle dot com 2013-12-06 23:52 ` reichelt at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: jakub at gcc dot gnu.org @ 2013-10-16 9:49 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|4.8.2 |4.8.3 --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- GCC 4.8.2 has been released. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/58518] [4.8/4.9 regression] ICE with template specialization 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org ` (3 preceding siblings ...) 2013-10-16 9:49 ` jakub at gcc dot gnu.org @ 2013-10-20 14:48 ` paolo.carlini at oracle dot com 2013-12-06 23:52 ` reichelt at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: paolo.carlini at oracle dot com @ 2013-10-20 14:48 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 --- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> --- We should also find the commit which caused the regression. ^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug c++/58518] [4.8/4.9 regression] ICE with template specialization 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org ` (4 preceding siblings ...) 2013-10-20 14:48 ` paolo.carlini at oracle dot com @ 2013-12-06 23:52 ` reichelt at gcc dot gnu.org 5 siblings, 0 replies; 7+ messages in thread From: reichelt at gcc dot gnu.org @ 2013-12-06 23:52 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58518 Volker Reichelt <reichelt at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Known to work| |4.8.3 Resolution|--- |DUPLICATE Known to fail|4.9.0 |4.8.1, 4.8.2 --- Comment #4 from Volker Reichelt <reichelt at gcc dot gnu.org> --- This was also fixed by the patch for PR59044, so marking it as duplicate. *** This bug has been marked as a duplicate of bug 59044 *** ^ permalink raw reply [flat|nested] 7+ messages in thread
end of thread, other threads:[~2013-12-06 23:52 UTC | newest] Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-09-23 22:03 [Bug c++/58518] New: [4.8/4.9 regression] ICE template specialization reichelt at gcc dot gnu.org 2013-09-23 22:20 ` [Bug c++/58518] [4.8/4.9 regression] ICE with " paolo.carlini at oracle dot com 2013-09-24 12:43 ` mpolacek at gcc dot gnu.org 2013-10-02 21:54 ` paolo.carlini at oracle dot com 2013-10-16 9:49 ` jakub at gcc dot gnu.org 2013-10-20 14:48 ` paolo.carlini at oracle dot com 2013-12-06 23:52 ` reichelt at gcc dot gnu.org
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