[Bug target/124078] [16 Regression] ICE: in gen_rtx_SUBREG, at emit-rtl.cc:1048 with -O1 -mbig-endian and vector division

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124078

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Another testcase:

```
int __attribute__((__vector_size__(8))) v;
void foo(int a, int b) { v = (int __attribute__((__vector_size__(8)))){a,b}; }
```