[Bug target/118776] [14/15 regression] ICE when building xvid-1.3.7 with LTO (extract_insn, at recog.cc:2882)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118776

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
      Known to fail|                            |14.1.0, 14.2.0
      Known to work|                            |13.3.0
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2025-02-06
            Summary|[15 regression] ICE when    |[14/15 regression] ICE when
                   |building xvid-1.3.7 with    |building xvid-1.3.7 with
                   |LTO (extract_insn, at       |LTO (extract_insn, at
                   |recog.cc:2882)              |recog.cc:2882)
   Target Milestone|15.0                        |14.3
             Status|UNCONFIRMED                 |NEW
           Keywords|lto, needs-reduction        |

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Mostly cleaned up testcase:
```
void set_intra_matrix(unsigned short *v1) {
  unsigned char matrix[64];
  int i;
  for (i = 0; i < 64; i++) {
    v1[i] = (!i) ? 8 : (1 > (matrix[i]) ? (1) : (matrix[i]));
  }
}
```

`-O2 -march=tigerlake`.