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* [Bug c++/94733] New: [10 Regression] ICE: tree check: expected identifier_node, have tree_list in is_attribute_p, at attribs.h:155
@ 2020-04-23 16:27 asolokha at gmx dot com
  2020-04-23 16:34 ` [Bug c++/94733] " mpolacek at gcc dot gnu.org
                   ` (2 more replies)
  0 siblings, 3 replies; 4+ messages in thread
From: asolokha at gmx dot com @ 2020-04-23 16:27 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94733

            Bug ID: 94733
           Summary: [10 Regression] ICE: tree check: expected
                    identifier_node, have tree_list in is_attribute_p, at
                    attribs.h:155
           Product: gcc
           Version: 10.0
            Status: UNCONFIRMED
          Keywords: ice-on-valid-code
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: asolokha at gmx dot com
  Target Milestone: ---

g++-10.0.1-alpha20200419 snapshot (g:717e91dbc44c6bf55a498f45f6045191ceb10a11)
ICEs when compiling the following testcase w/ -fgnu-tm:

struct [[gnu::may_alias]] pe { };

% g++-10.0.1 -fgnu-tm -c eqtzx3iu.cpp
eqtzx3iu.cpp:1:27: internal compiler error: tree check: expected
identifier_node, have tree_list in is_attribute_p, at attribs.h:155
    1 | struct [[gnu::may_alias]] pe { };
      |                           ^~
0x7bcf2c tree_check_failed(tree_node const*, char const*, int, char const*,
...)
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/tree.c:9727
0x6aa239 tree_check(tree_node const*, char const*, int, char const*, tree_code)
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/tree.h:3543
0x6aa239 is_attribute_p
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/attribs.h:155
0x6abe5e tm_attr_to_mask(tree_node*)
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/tree.h:3401
0xafbaef find_tm_attribute(tree_node*)
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/c-family/c-attribs.c:3318
0x896740 set_method_tm_attributes
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/class.c:5092
0x896740 finish_struct_1(tree_node*)
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/class.c:7302
0x897b24 finish_struct(tree_node*, tree_node*)
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/class.c:7516
0x9975f3 cp_parser_class_specifier_1
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:23878
0x99969b cp_parser_class_specifier
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:24177
0x99969b cp_parser_type_specifier
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:17708
0x99a7a5 cp_parser_decl_specifier_seq
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:14356
0x99b244 cp_parser_simple_declaration
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:13610
0x9c5a32 cp_parser_declaration
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:13430
0x9c61cf cp_parser_translation_unit
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:4731
0x9c61cf c_parse_file()
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/cp/parser.c:43972
0xadeaeb c_common_parse_file()
       
/var/tmp/portage/sys-devel/gcc-10.0.1_alpha20200419/work/gcc-10-20200419/gcc/c-family/c-opts.c:1190

Citing Jakub's PR94106 comment 2: "Nobody really maintains the -fgnu-tm stuff
anymore".

^ permalink raw reply	[flat|nested] 4+ messages in thread
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2020-04-23 16:27 [Bug c++/94733] New: [10 Regression] ICE: tree check: expected identifier_node, have tree_list in is_attribute_p, at attribs.h:155 asolokha at gmx dot com
2020-04-23 16:34 ` [Bug c++/94733] " mpolacek at gcc dot gnu.org
2020-04-23 19:22 ` cvs-commit at gcc dot gnu.org
2020-04-23 19:24 ` mpolacek at gcc dot gnu.org

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