[Bug c/117139] ICE with invalid constexpr expression (tree check: expected integer_cst, have real_cst in get_len, at tree.h:6509)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117139

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Even more reduced:
```
constexpr int myconst = 5.0;
```

Also ICEs with complex integer too:
```
constexpr int myconst = 5i;
```