[Bug c/100619] New: ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038

[Bug c/100619] New: ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038

[cnsun at uwaterloo dot ca]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

            Bug ID: 100619
           Summary: ICE: in build_attr_access_from_parms, at
                    c-family/c-attribs.c:5038
           Product: gcc
           Version: tree-ssa
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: cnsun at uwaterloo dot ca
  Target Milestone: ---

$ gcc-trunk -v
Using built-in specs.
COLLECT_GCC=gcc-trunk
COLLECT_LTO_WRAPPER=/scratch/software/gcc-trunk/libexec/gcc/x86_64-pc-linux-gnu/12.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/configure
--enable-languages=c,c++,lto --enable-checking-yes --enable-multiarch
--prefix=/scratch/software/gcc-trunk --disable-bootstrap
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 12.0.0 20210514 (experimental) [master revision
:e5c3c8afa:f3b1516d9dfd969d7cc1ca6f26dec13478a1c458] (GCC)

$ cat mutant.c
n1;
a2pampan
  (int
  
(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((([][n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1]);

$ gcc-trunk  mutant.c
mutant.c:1:1: warning: data definition has no type or storage class
    1 | n1;
      | ^~
mutant.c:1:1: warning: type defaults to ‘int’ in declaration of ‘n1’
[-Wimplicit-int]
mutant.c:2:1: warning: data definition has no type or storage class
    2 | a2pampan
      | ^~~~~~~~
mutant.c:2:1: warning: type defaults to ‘int’ in declaration of ‘a2pampan’
[-Wimplicit-int]
mutant.c:4:4: internal compiler error: in build_attr_access_from_parms, at
c-family/c-attribs.c:5038
    4 |   
(((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((([][n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1])[n1]);
      |    ^
0x674eda build_attr_access_from_parms(tree_node*, bool)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c-family/c-attribs.c:5038
0x8e1e78 finish_decl(tree_node*, unsigned int, tree_node*, tree_node*,
tree_node*)
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-decl.c:5540
0x94466b c_parser_declaration_or_fndef
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:2370
0x94ce93 c_parser_external_declaration
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:1777
0x94d8f9 c_parser_translation_unit
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:1650
0x94d8f9 c_parse_file()
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c/c-parser.c:21984
0x9adc35 c_common_parse_file()
        /tmp/tmp.eZIsobWkq2-gcc-builder/gcc/gcc/c-family/c-opts.c:1218
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.

[Bug c/100619] [11/12 Regression] ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 since r11-3303-g6450f07388f9fe57

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

Martin Liška <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
            Summary|ICE: in                     |[11/12 Regression] ICE: in
                   |build_attr_access_from_parm |build_attr_access_from_parm
                   |s, at                       |s, at
                   |c-family/c-attribs.c:5038   |c-family/c-attribs.c:5038
                   |                            |since
                   |                            |r11-3303-g6450f07388f9fe57
                 CC|                            |marxin at gcc dot gnu.org,
                   |                            |msebor at gcc dot gnu.org
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2021-05-17

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Started with r11-3303-g6450f07388f9fe57.

[Bug c/100619] [11/12 Regression] ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 since r11-3303-g6450f07388f9fe57

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.2
            Version|tree-ssa                    |11.1.0
                 CC|                            |jakub at gcc dot gnu.org

[Bug c/100619] [11/12 Regression] ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 since r11-3303-g6450f07388f9fe57

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P2

[Bug c/100619] [11/12 Regression] ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 since r11-3303-g6450f07388f9fe57

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |11.1.0, 12.0
           Keywords|                            |ice-on-valid-code
           Assignee|unassigned at gcc dot gnu.org      |msebor at gcc dot gnu.org
             Status|NEW                         |ASSIGNED

[Bug c/100619] [11/12 Regression] ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 since r11-3303-g6450f07388f9fe57

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |patch

--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch: https://gcc.gnu.org/pipermail/gcc-patches/2021-May/570800.html

[Bug c/100619] [11/12 Regression] ICE: in build_attr_access_from_parms, at c-family/c-attribs.c:5038 since r11-3303-g6450f07388f9fe57

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>:

https://gcc.gnu.org/g:eb2a917fa0779b689f09ac8d8c41b0456facbe62

commit r12-930-geb2a917fa0779b689f09ac8d8c41b0456facbe62
Author: Martin Sebor <msebor@redhat.com>
Date:   Wed May 19 16:13:13 2021 -0600

    PR c/100619 - ICE on a VLA parameter with too many dimensions

    gcc/c-family/ChangeLog:

            PR c/100619
            * c-attribs.c (build_attr_access_from_parms): Handle arbitrarily
many
            bounds.

    gcc/testsuite/ChangeLog:

            PR c/100619
            * gcc.dg/pr100619.c: New test.

[Bug c/100619] [11 Regression] ICE on a VLA parameter with too many dimensions

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|11.1.0                      |
            Summary|[11/12 Regression] ICE: in  |[11 Regression] ICE on a
                   |build_attr_access_from_parm |VLA parameter with too many
                   |s, at                       |dimensions
                   |c-family/c-attribs.c:5038   |
                   |since                       |
                   |r11-3303-g6450f07388f9fe57  |

--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed on trunk, waiting to backport.

[Bug c/100619] [11 Regression] ICE on a VLA parameter with too many dimensions

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Martin Sebor
<msebor@gcc.gnu.org>:

https://gcc.gnu.org/g:933885db3872cc58dc36498aa1b8e8f15484e008

commit r11-8602-g933885db3872cc58dc36498aa1b8e8f15484e008
Author: Martin Sebor <msebor@redhat.com>
Date:   Thu Jun 17 11:42:10 2021 -0600

    Backported from trunk:

    PR c/100619 - ICE on a VLA parameter with too many dimensions

    gcc/c-family/ChangeLog:

            PR c/100619
            * c-attribs.c (build_attr_access_from_parms): Handle arbitrarily
many
            bounds.

    gcc/testsuite/ChangeLog:

            PR c/100619
            * gcc.dg/pr100619.c: New test.

[Bug c/100619] [11 Regression] ICE on a VLA parameter with too many dimensions

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100619

Martin Sebor <msebor at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED

--- Comment #6 from Martin Sebor <msebor at gcc dot gnu.org> ---
Backported to GCC 11.2.