[Bug c/109318] New: csmith: -fipa-cp seems to cause trouble

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109318

            Bug ID: 109318
           Summary: csmith: -fipa-cp seems to cause trouble
           Product: gcc
           Version: 13.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dcb314 at hotmail dot com
  Target Milestone: ---

Created attachment 54779
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54779&action=edit
C source code

The attached C code, produced by csmith, does this:

$ ../results/bin/gcc -w -O1 bug903.c
$ ./a.out
checksum = FC4F321
$ ../results/bin/gcc -w -O1 -fipa-cp bug903.c
$ ./a.out
Segmentation fault (core dumped)
$ ./a.out 1
Segmentation fault (core dumped)
$ 

The bug seems to have existed since before 20220403.