[Bug c/111804] New: wrong code with '-O3 -fno-inline-functions-called-once -fno-inline-small-functions -fno-toplevel-reorder -fno-tree-fre'

[Bug c/111804] New: wrong code with '-O3 -fno-inline-functions-called-once -fno-inline-small-functions -fno-toplevel-reorder -fno-tree-fre'

[19373742 at buaa dot edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111804

            Bug ID: 111804
           Summary: wrong code with '-O3 -fno-inline-functions-called-once
                    -fno-inline-small-functions -fno-toplevel-reorder
                    -fno-tree-fre'
           Product: gcc
           Version: 14.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: 19373742 at buaa dot edu.cn
  Target Milestone: ---

Created attachment 56103
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56103&action=edit
The preprocessed file

*******************************************************************************
OS and Platform:
Ubuntu 20.04.4 LTS
*******************************************************************************
gcc version:
$ gcc -v
Using built-in specs.
COLLECT_GCC=/home/ctc/gcc-releases/gcc-14/bin/gcc
COLLECT_LTO_WRAPPER=/home/ctc/gcc-releases/gcc-14/libexec/gcc/x86_64-pc-linux-gnu/14.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: ./configure --prefix=/home/cuisk/ctc/gcc-releases/gcc-14
--disable-multilib --enable-language=c,c++
Thread model: posix
Supported LTO compression algorithms: zlib
gcc version 14.0.0 20231008 (experimental) (GCC) 
*******************************************************************************
Command Lines:
$ gcc -I ~/csmith/include/csmith-2.3.0/ -O3 -fno-inline-functions-called-once
-fno-inline-small-functions -fno-toplevel-reorder -fno-tree-fre a.c -o w
2>w.txt
$ ./w
w: a.c:292: func_69: Assertion `l_71 == &l_72 || l_71 == 0' failed.
Aborted (core dumped)

$ gcc -I ~/csmith/include/csmith-2.3.0/ -fsanitize=undefined a.c -o w
$ ./w
checksum = 0

[Bug c/111804] wrong code with '-O3 -fno-inline-functions-called-once -fno-inline-small-functions -fno-toplevel-reorder -fno-tree-fre'

[19373742 at buaa dot edu.cn]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111804

--- Comment #1 from CTC <19373742 at buaa dot edu.cn> ---
Created attachment 56104
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=56104&action=edit
The compiler output

[Bug c/111804] wrong code with '-O3 -fno-inline-functions-called-once -fno-inline-small-functions -fno-toplevel-reorder -fno-tree-fre'

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111804

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |DUPLICATE
             Status|UNCONFIRMED                 |RESOLVED

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Same issue as PR 111789.

*** This bug has been marked as a duplicate of bug 111789 ***