[Bug lto/117201] New: [15 regression] libqrencode-4.1.1 miscompiled with LTO

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117201

            Bug ID: 117201
           Summary: [15 regression] libqrencode-4.1.1 miscompiled with LTO
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Keywords: lto, wrong-code
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sjames at gcc dot gnu.org
  Target Milestone: ---

Created attachment 59381
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=59381&action=edit
test_qrencode.c

This is reduced from libqrencode which had its test_01234567 start failing with
LTO.

Reproduction instructions:
``
$ gcc -c -o qrinput.o qrinput.c
$ gcc -flto -o test_qrencode test_qrencode.c qrinput.o
$ ./test_qrencode
Aborted                    (core dumped) ./test_qrencode
```