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* [Bug c/103770] New: ICE related to VLA
@ 2021-12-19 18:30 muecker at gwdg dot de
  2021-12-19 21:17 ` [Bug middle-end/103770] [11 Regression] " pinskia at gcc dot gnu.org
                   ` (8 more replies)
  0 siblings, 9 replies; 10+ messages in thread
From: muecker at gwdg dot de @ 2021-12-19 18:30 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

            Bug ID: 103770
           Summary: ICE related to VLA
           Product: gcc
           Version: 11.2.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: muecker at gwdg dot de
  Target Milestone: ---

Here is an ICE related to VLAs starting version 11 and seems fixed
on trunk.

https://godbolt.org/z/Y63dEq7KE

struct struct_s {
    void* ptr;
    void* ptr2;
    void* ptr3;
};

struct struct_s struct_create(int N, const long vla[N]);

void fun(int N)
{
        long vla[N];
        struct struct_s st = struct_create(N, vla);
}

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
@ 2021-12-19 21:17 ` pinskia at gcc dot gnu.org
  2021-12-20  9:09 ` marxin at gcc dot gnu.org
                   ` (7 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-12-19 21:17 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|ICE related to VLA          |[11 Regression] ICE related
                   |                            |to VLA
          Component|c                           |middle-end
           Keywords|                            |ice-on-valid-code,
                   |                            |needs-bisection
   Target Milestone|---                         |11.3

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
  2021-12-19 21:17 ` [Bug middle-end/103770] [11 Regression] " pinskia at gcc dot gnu.org
@ 2021-12-20  9:09 ` marxin at gcc dot gnu.org
  2021-12-20 11:48 ` pinskia at gcc dot gnu.org
                   ` (6 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: marxin at gcc dot gnu.org @ 2021-12-20  9:09 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-12-20
                 CC|                            |marxin at gcc dot gnu.org
     Ever confirmed|0                           |1
           See Also|                            |https://gcc.gnu.org/bugzill
                   |                            |a/show_bug.cgi?id=101854
             Status|UNCONFIRMED                 |NEW
           Keywords|needs-bisection             |

--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
Fixed with r12-2976-gb48d4e6818674898 and started with
r11-3303-g6450f07388f9fe57.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
  2021-12-19 21:17 ` [Bug middle-end/103770] [11 Regression] " pinskia at gcc dot gnu.org
  2021-12-20  9:09 ` marxin at gcc dot gnu.org
@ 2021-12-20 11:48 ` pinskia at gcc dot gnu.org
  2021-12-29 12:10 ` muecker at gwdg dot de
                   ` (5 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-12-20 11:48 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So this might be latent on the trunk too ...

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
                   ` (2 preceding siblings ...)
  2021-12-20 11:48 ` pinskia at gcc dot gnu.org
@ 2021-12-29 12:10 ` muecker at gwdg dot de
  2021-12-29 20:20 ` pinskia at gcc dot gnu.org
                   ` (4 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: muecker at gwdg dot de @ 2021-12-29 12:10 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

--- Comment #3 from Martin Uecker <muecker at gwdg dot de> ---
Here is another example which fails on armel


extern _Complex float g(int N, int dims[N]);

void f(void)
{
        int dims[1];
        _Complex float val = g(1, dims);
}

during RTL pass: expand
BUG.c: In function 'f':
BUG.c:10:30: internal compiler error: Segmentation fault
   10 |         _Complex float val = g(1, dims);
      |                              ^~~~~~~~~~

0xb1393f crash_signal
        ../../src/gcc/toplev.c:327
0x708398 get_size_range(range_query*, tree_node*, gimple*, tree_node**, int)
        ../../src/gcc/calls.c:1274
0x70c4d4 get_size_range(range_query*, tree_node*, gimple*, tree_node**, int)
        ../../src/gcc/calls.c:1266
0x70c4d4 get_size_range(tree_node*, tree_node**, int)
        ../../src/gcc/calls.c:1401
0x70c4d4 maybe_warn_rdwr_sizes
        ../../src/gcc/calls.c:2034
0x70dcb1 initialize_argument_information
        ../../src/gcc/calls.c:2626
0x70dcb1 expand_call(tree_node*, rtx_def*, int)
        ../../src/gcc/calls.c:4010
0x8210ce expand_expr_real_1(tree_node*, rtx_def*, machine_mode,
expand_modifier, rtx_def**, bool)
        ../../src/gcc/expr.c:11287
0x82a9ce expand_expr_real(tree_node*, rtx_def*, machine_mode, expand_modifier,
rtx_def**, bool)
        ../../src/gcc/expr.c:8519
0x82a9ce store_expr(tree_node*, rtx_def*, int, bool, bool)
        ../../src/gcc/expr.c:5886
0x82be69 expand_assignment(tree_node*, tree_node*, bool)
        ../../src/gcc/expr.c:5622
0x720bf9 expand_call_stmt
        ../../src/gcc/cfgexpand.c:2838
0x720bf9 expand_gimple_stmt_1
        ../../src/gcc/cfgexpand.c:3871
0x720bf9 expand_gimple_stmt
        ../../src/gcc/cfgexpand.c:4035
0x726b97 expand_gimple_basic_block
        ../../src/gcc/cfgexpand.c:6077
0x726b97 execute
        ../../src/gcc/cfgexpand.c:6761
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <file:///usr/share/doc/gcc-11/README.Bugs> for instructions.


arm-linux-gnueabi-gcc (Debian 11.2.0-9) 11.2.0
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
                   ` (3 preceding siblings ...)
  2021-12-29 12:10 ` muecker at gwdg dot de
@ 2021-12-29 20:20 ` pinskia at gcc dot gnu.org
  2022-03-26 21:42 ` pinskia at gcc dot gnu.org
                   ` (3 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu.org @ 2021-12-29 20:20 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |dtorrance at piedmont dot edu

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
*** Bug 103859 has been marked as a duplicate of this bug. ***

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
                   ` (4 preceding siblings ...)
  2021-12-29 20:20 ` pinskia at gcc dot gnu.org
@ 2022-03-26 21:42 ` pinskia at gcc dot gnu.org
  2022-04-21  7:51 ` rguenth at gcc dot gnu.org
                   ` (2 subsequent siblings)
  8 siblings, 0 replies; 10+ messages in thread
From: pinskia at gcc dot gnu.org @ 2022-03-26 21:42 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |niget.tom at gmail dot com

--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
*** Bug 105065 has been marked as a duplicate of this bug. ***

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
                   ` (5 preceding siblings ...)
  2022-03-26 21:42 ` pinskia at gcc dot gnu.org
@ 2022-04-21  7:51 ` rguenth at gcc dot gnu.org
  2023-01-28 18:15 ` muecker at gwdg dot de
  2023-05-29 10:06 ` jakub at gcc dot gnu.org
  8 siblings, 0 replies; 10+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-04-21  7:51 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|11.3                        |11.4

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 11.3 is being released, retargeting bugs to GCC 11.4.

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
                   ` (6 preceding siblings ...)
  2022-04-21  7:51 ` rguenth at gcc dot gnu.org
@ 2023-01-28 18:15 ` muecker at gwdg dot de
  2023-05-29 10:06 ` jakub at gcc dot gnu.org
  8 siblings, 0 replies; 10+ messages in thread
From: muecker at gwdg dot de @ 2023-01-28 18:15 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

--- Comment #7 from Martin Uecker <muecker at gwdg dot de> ---

Regression tests:
https://gcc.gnu.org/g:ebf7dd754a95bf9680bc53331a6b70f0cf83c045

^ permalink raw reply	[flat|nested] 10+ messages in thread

* [Bug middle-end/103770] [11 Regression] ICE related to VLA
  2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
                   ` (7 preceding siblings ...)
  2023-01-28 18:15 ` muecker at gwdg dot de
@ 2023-05-29 10:06 ` jakub at gcc dot gnu.org
  8 siblings, 0 replies; 10+ messages in thread
From: jakub at gcc dot gnu.org @ 2023-05-29 10:06 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103770

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

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

--- Comment #8 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 11.4 is being released, retargeting bugs to GCC 11.5.

^ permalink raw reply	[flat|nested] 10+ messages in thread

end of thread, other threads:[~2023-05-29 10:06 UTC | newest]

Thread overview: 10+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-12-19 18:30 [Bug c/103770] New: ICE related to VLA muecker at gwdg dot de
2021-12-19 21:17 ` [Bug middle-end/103770] [11 Regression] " pinskia at gcc dot gnu.org
2021-12-20  9:09 ` marxin at gcc dot gnu.org
2021-12-20 11:48 ` pinskia at gcc dot gnu.org
2021-12-29 12:10 ` muecker at gwdg dot de
2021-12-29 20:20 ` pinskia at gcc dot gnu.org
2022-03-26 21:42 ` pinskia at gcc dot gnu.org
2022-04-21  7:51 ` rguenth at gcc dot gnu.org
2023-01-28 18:15 ` muecker at gwdg dot de
2023-05-29 10:06 ` jakub at gcc dot gnu.org

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