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* [Bug c++/100261] New: [11/12 Regression] ICE: tree check: expected var_decl or type_decl, have error_mark in emit_tinfo_decl, at cp/rtti.c:1643
@ 2021-04-26  5:52 asolokha at gmx dot com
  2021-04-26  9:22 ` [Bug c++/100261] " rguenth at gcc dot gnu.org
                   ` (5 more replies)
  0 siblings, 6 replies; 7+ messages in thread
From: asolokha at gmx dot com @ 2021-04-26  5:52 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100261

            Bug ID: 100261
           Summary: [11/12 Regression] ICE: tree check: expected var_decl
                    or type_decl, have error_mark in emit_tinfo_decl, at
                    cp/rtti.c:1643
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---

gcc-11.0.1-alpha20210418 snapshot (g:b412ce8e961052e6becea3bc783a53e1d5feaa0f)
ICEs when compiling the following testcase, reduced from
libstdc++-v3/testsuite/18_support/type_info/fundamental.cc:

#include <typeinfo>

namespace std {
  namespace decimal {
    class decimal32 {
      float private__decfloat32;
    };
  }
}

void
foo ()
{
  typeid (float);
  typeid (std::decimal::decimal32);
}

% g++-11.0.1 -c dvovnhjr.cc
dvovnhjr.cc:15:34: error: conflicting declaration 'const
__class_type_info_pseudo_8 _ZTIf'
   15 |   typeid (std::decimal::decimal32);
      |                                  ^
dvovnhjr.cc:14:16: note: previous declaration as 'const
__fundamental_type_info_pseudo_2 _ZTIf'
   14 |   typeid (float);
      |                ^
dvovnhjr.cc:16:1: internal compiler error: tree check: expected var_decl or
type_decl, have error_mark in emit_tinfo_decl, at cp/rtti.c:1643
   16 | }
      | ^
0x814248 tree_check_failed(tree_node const*, char const*, int, char const*,
...)
       
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210418/work/gcc-11-20210418/gcc/tree.c:9816
0x6c3715 tree_check2(tree_node*, char const*, int, char const*, tree_code,
tree_code)
       
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210418/work/gcc-11-20210418/gcc/tree.h:3372
0x6c3715 emit_tinfo_decl(tree_node*)
       
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210418/work/gcc-11-20210418/gcc/cp/rtti.c:1643
0x99d5cc c_parse_final_cleanups()
       
/var/tmp/portage/sys-devel/gcc-11.0.1_alpha20210418/work/gcc-11-20210418/gcc/cp/decl2.c:4994

^ permalink raw reply	[flat|nested] 7+ messages in thread
end of thread, other threads:[~2021-05-19 20:18 UTC | newest]

Thread overview: 7+ messages (download: mbox.gz / follow: Atom feed)
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2021-04-26  5:52 [Bug c++/100261] New: [11/12 Regression] ICE: tree check: expected var_decl or type_decl, have error_mark in emit_tinfo_decl, at cp/rtti.c:1643 asolokha at gmx dot com
2021-04-26  9:22 ` [Bug c++/100261] " rguenth at gcc dot gnu.org
2021-04-26 14:44 ` mpolacek at gcc dot gnu.org
2021-05-18 21:13 ` jason at gcc dot gnu.org
2021-05-19  0:27 ` cvs-commit at gcc dot gnu.org
2021-05-19  0:56 ` cvs-commit at gcc dot gnu.org
2021-05-19 20:18 ` jason at gcc dot gnu.org

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