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* [Bug c++/58649] New: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration @ 2013-10-06 21:05 reichelt at gcc dot gnu.org 2013-10-10 11:56 ` [Bug c++/58649] " rguenth at gcc dot gnu.org ` (3 more replies) 0 siblings, 4 replies; 5+ messages in thread From: reichelt at gcc dot gnu.org @ 2013-10-06 21:05 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58649 Bug ID: 58649 Summary: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration 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 invalid code snippet triggers an ICE since GCC 4.2.0: ==================================== template<typename> void foo() { E(); enum E {}; } template void foo<int>(); ==================================== bug.cc: In function 'void foo()': bug.cc:3:5: error: there are no arguments to 'E' that depend on a template parameter, so a declaration of 'E' must be available [-fpermissive] E(); ^ bug.cc:3:5: note: (if you use '-fpermissive', G++ will accept your code, but allowing the use of an undeclared name is deprecated) bug.cc: In instantiation of 'void foo() [with <template-parameter-1-1> = int]': bug.cc:7:24: required from here bug.cc:3:5: error: 'E' was not declared in this scope bug.cc:4:8: internal compiler error: tree check: expected enumeral_type, have error_mark in lookup_template_class_1, at cp/pt.c:7479 enum E {}; ^ 0xcd860a tree_check_failed(tree_node const*, char const*, int, char const*, ...) ../../gcc/gcc/tree.c:9176 0x5b3e5d tree_check ../../gcc/gcc/tree.h:2609 0x5b3e5d lookup_template_class_1 ../../gcc/gcc/cp/pt.c:7479 0x5b3e5d lookup_template_class(tree_node*, tree_node*, tree_node*, tree_node*, int, int) ../../gcc/gcc/cp/pt.c:7695 0x5b894e tsubst_aggr_type ../../gcc/gcc/cp/pt.c:9977 0x5ac34b tsubst(tree_node*, tree_node*, int, tree_node*) ../../gcc/gcc/cp/pt.c:11367 0x5bd413 tsubst_decl ../../gcc/gcc/cp/pt.c:10752 0x5ac895 tsubst(tree_node*, tree_node*, int, tree_node*) ../../gcc/gcc/cp/pt.c:11288 0x5a208c tsubst_expr ../../gcc/gcc/cp/pt.c:13148 0x5a1643 tsubst_expr ../../gcc/gcc/cp/pt.c:13091 0x5a2421 tsubst_expr ../../gcc/gcc/cp/pt.c:13287 0x59fdbf instantiate_decl(tree_node*, int, bool) ../../gcc/gcc/cp/pt.c:19394 0x5dc61f instantiate_pending_templates(int) ../../gcc/gcc/cp/pt.c:19495 0x617896 cp_write_global_declarations() ../../gcc/gcc/cp/decl2.c:4065 Please submit a full bug report, [etc.] ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/58649] [4.7/4.8/4.9 Regression] ICE with use of enum before declaration 2013-10-06 21:05 [Bug c++/58649] New: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration reichelt at gcc dot gnu.org @ 2013-10-10 11:56 ` rguenth at gcc dot gnu.org 2014-01-30 11:49 ` paolo.carlini at oracle dot com ` (2 subsequent siblings) 3 siblings, 0 replies; 5+ messages in thread From: rguenth at gcc dot gnu.org @ 2013-10-10 11:56 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58649 Richard Biener <rguenth at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P3 |P5 Target Milestone|--- |4.7.4 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/58649] [4.7/4.8/4.9 Regression] ICE with use of enum before declaration 2013-10-06 21:05 [Bug c++/58649] New: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration reichelt at gcc dot gnu.org 2013-10-10 11:56 ` [Bug c++/58649] " rguenth at gcc dot gnu.org @ 2014-01-30 11:49 ` paolo.carlini at oracle dot com 2014-01-30 14:29 ` paolo at gcc dot gnu.org 2014-01-30 14:30 ` [Bug c++/58649] [4.7/4.8 " paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2014-01-30 11:49 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58649 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2014-01-30 Assignee|unassigned at gcc dot gnu.org |paolo.carlini at oracle dot com Ever confirmed|0 |1 --- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> --- Mine. ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/58649] [4.7/4.8/4.9 Regression] ICE with use of enum before declaration 2013-10-06 21:05 [Bug c++/58649] New: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration reichelt at gcc dot gnu.org 2013-10-10 11:56 ` [Bug c++/58649] " rguenth at gcc dot gnu.org 2014-01-30 11:49 ` paolo.carlini at oracle dot com @ 2014-01-30 14:29 ` paolo at gcc dot gnu.org 2014-01-30 14:30 ` [Bug c++/58649] [4.7/4.8 " paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo at gcc dot gnu.org @ 2014-01-30 14:29 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58649 --- Comment #2 from paolo at gcc dot gnu.org <paolo at gcc dot gnu.org> --- Author: paolo Date: Thu Jan 30 14:28:55 2014 New Revision: 207304 URL: http://gcc.gnu.org/viewcvs?rev=207304&root=gcc&view=rev Log: /cp 2014-01-30 Paolo Carlini <paolo.carlini@oracle.com> PR c++/58649 * pt.c (lookup_template_class_1): Check start_enum return value for error_mark_node. /testsuite 2014-01-30 Paolo Carlini <paolo.carlini@oracle.com> PR c++/58649 * g++.dg/template/crash117.C: New. Added: trunk/gcc/testsuite/g++.dg/template/crash117.C Modified: trunk/gcc/cp/ChangeLog trunk/gcc/cp/pt.c trunk/gcc/testsuite/ChangeLog ^ permalink raw reply [flat|nested] 5+ messages in thread
* [Bug c++/58649] [4.7/4.8 Regression] ICE with use of enum before declaration 2013-10-06 21:05 [Bug c++/58649] New: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration reichelt at gcc dot gnu.org ` (2 preceding siblings ...) 2014-01-30 14:29 ` paolo at gcc dot gnu.org @ 2014-01-30 14:30 ` paolo.carlini at oracle dot com 3 siblings, 0 replies; 5+ messages in thread From: paolo.carlini at oracle dot com @ 2014-01-30 14:30 UTC (permalink / raw) To: gcc-bugs http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58649 Paolo Carlini <paolo.carlini at oracle dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution|--- |FIXED Assignee|paolo.carlini at oracle dot com |unassigned at gcc dot gnu.org Target Milestone|4.7.4 |4.9.0 Summary|[4.7/4.8/4.9 Regression] |[4.7/4.8 Regression] ICE |ICE with use of enum before |with use of enum before |declaration |declaration --- Comment #3 from Paolo Carlini <paolo.carlini at oracle dot com> --- Fixed for 4.9.0. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2014-01-30 14:30 UTC | newest] Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed) -- links below jump to the message on this page -- 2013-10-06 21:05 [Bug c++/58649] New: [4.7/4.8/4.9 Regression] ICE with use of enum before declaration reichelt at gcc dot gnu.org 2013-10-10 11:56 ` [Bug c++/58649] " rguenth at gcc dot gnu.org 2014-01-30 11:49 ` paolo.carlini at oracle dot com 2014-01-30 14:29 ` paolo at gcc dot gnu.org 2014-01-30 14:30 ` [Bug c++/58649] [4.7/4.8 " paolo.carlini at oracle dot com
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