[Bug middle-end/86122] [8/9 Regression] ICE in useless_type_conversion_p, at gimple-expr.c:87

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86122

--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> ---
On Thu, 14 Jun 2018, jakub at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86122
> 
> --- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
> Note, other uses of unsigned_type_for in match.pd seems to be guarded with
> INTEGRAL_TYPE_P check or are on expressions that can't appear with complex
> operands.

A patch along that line or your previously posted patch is OK.