[Bug c/106207] New: [11/12/13 Regression] ICE in apply_fixit, at edit-context.cc:769

[Bug c/106207] New: [11/12/13 Regression] ICE in apply_fixit, at edit-context.cc:769

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106207

            Bug ID: 106207
           Summary: [11/12/13 Regression] ICE in apply_fixit, at
                    edit-context.cc:769
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started with r11 between 20201018 and 20201108,
and file gcc.dg/tree-ssa/pr77644.c :


$ g++-13-20220703 -c pr77644.c -ftrack-macro-expansion=0
-fdiagnostics-generate-patch
pr77644.c: In function 'int f_f1(float, float)':
pr77644.c:22:1: warning: empty parentheses were disambiguated as a function
declaration [-Wvexing-parse]
   22 | GEN_FOO(float, f)
      | ^~~~~~~
pr77644.c:22:1: note: remove parentheses to default-initialize a variable
   22 | GEN_FOO(float, f)
      | ^~~~~~~
      | -------
pr77644.c:22:1: note: or replace parentheses with braces to value-initialize a
variable
pr77644.c: In function 'int f_f2(float, float)':
pr77644.c:22:1: warning: empty parentheses were disambiguated as a function
declaration [-Wvexing-parse]
pr77644.c:22:1: note: remove parentheses to default-initialize a variable
   22 | GEN_FOO(float, f)
      | ^~~~~~~
      | -------

pr77644.c:22:1: internal compiler error: in apply_fixit, at edit-context.cc:769
0x1b6c4f0 edited_line::apply_fixit(int, int, char const*, int)
        ../../gcc/edit-context.cc:769
0x1b6d306 edit_context::add_fixits(rich_location*)
        ../../gcc/edit-context.cc:232
0x1b60344 diagnostic_report_diagnostic(diagnostic_context*, diagnostic_info*)
        ../../gcc/diagnostic.cc:1580
0x1b6069a diagnostic_impl
        ../../gcc/diagnostic.cc:1712
0x1b61f89 inform(rich_location*, char const*, ...)
        ../../gcc/diagnostic.cc:1804
0x7ddf27 warn_about_ambiguous_parse
        ../../gcc/cp/parser.cc:22338
0x81e50a cp_parser_init_declarator
        ../../gcc/cp/parser.cc:22618
0x7fbb82 cp_parser_simple_declaration
        ../../gcc/cp/parser.cc:15336
0x7fd429 cp_parser_declaration_statement
        ../../gcc/cp/parser.cc:14417
0x7fda0b cp_parser_statement
        ../../gcc/cp/parser.cc:12494
0x7fe9d4 cp_parser_statement_seq_opt
        ../../gcc/cp/parser.cc:12906
0x7fea8f cp_parser_compound_statement
        ../../gcc/cp/parser.cc:12858
0x81d5e8 cp_parser_function_body
        ../../gcc/cp/parser.cc:25205
0x81d5e8 cp_parser_ctor_initializer_opt_and_function_body
        ../../gcc/cp/parser.cc:25256
0x81daa6 cp_parser_function_definition_after_declarator
        ../../gcc/cp/parser.cc:31404
0x81ec29 cp_parser_function_definition_from_specifiers_and_declarator
        ../../gcc/cp/parser.cc:31321
0x81ec29 cp_parser_init_declarator
        ../../gcc/cp/parser.cc:22658
0x7fbb82 cp_parser_simple_declaration
        ../../gcc/cp/parser.cc:15336
0x824958 cp_parser_declaration
        ../../gcc/cp/parser.cc:15022
0x825232 cp_parser_translation_unit
        ../../gcc/cp/parser.cc:5018

[Bug c++/106207] [11/12/13 Regression] ICE in apply_fixit, at edit-context.cc:769

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106207

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |mpolacek at gcc dot gnu.org
          Component|c                           |c++
   Target Milestone|---                         |11.4
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-07-05
                 CC|                            |mpolacek at gcc dot gnu.org
           Priority|P3                          |P2
             Status|UNCONFIRMED                 |ASSIGNED

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Started with my r11-4756-g5b2003105b35f8.  Probably a latent issue though.

[Bug c++/106207] [11/12/13 Regression] ICE in apply_fixit, at edit-context.cc:769

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106207

--- Comment #2 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Reduced:

#define FOO(no)  \
void f_##no() \
{ \
  int gen_##no(); \
}

#define GEN_FOO \
FOO(f##1) \
FOO(f##2)

GEN_FOO

[Bug c++/106207] [11/12/13/14 Regression] ICE in apply_fixit, at edit-context.cc:769

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106207

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|11.4                        |11.5

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 11.4 is being released, retargeting bugs to GCC 11.5.

[Bug c++/106207] [11/12/13/14 Regression] ICE in apply_fixit, at edit-context.cc:769

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106207

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |NEW
           Assignee|mpolacek at gcc dot gnu.org        |unassigned at gcc dot gnu.org