[Bug target/88630] Incorrect float negating together with convertion to int on SH4

[zavadovsky.yan at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88630

--- Comment #9 from Zavadovsky Yan <zavadovsky.yan at gmail dot com> ---
>Can you try it out please and see
>if it fixes the issue on your hardware?

Checked GCC 8.2 + your patch and crosstool-ng to build toolchain(using same
config as I've used while reporting bug).

At least it works on attached main.cpp.
Got no assert when run on our STiH237-based board.