[Bug middle-end/116219] New: [14/15 regression] -O2 -march=znver3 -gno-statement-frontiers -fcompare-debug failure when building botan-3.2.0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116219

            Bug ID: 116219
           Summary: [14/15 regression] -O2 -march=znver3
                    -gno-statement-frontiers -fcompare-debug failure when
                    building botan-3.2.0
           Product: gcc
           Version: 15.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
          Assignee: unassigned at gcc dot gnu.org
          Reporter: sjames at gcc dot gnu.org
  Target Milestone: ---

Created attachment 58817
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=58817&action=edit
modes_aead_ocb.ii.xz

```
$ g++ -c modes_aead_ocb.ii -std=c++20 -fcompare-debug -O3
-gno-statement-frontiers -march=znver3
g++: error: modes_aead_ocb.ii: ‘-fcompare-debug’ failure
```