[Bug tree-optimization/88240] Potential optimization bug: invalid pre-load of floating-point value could cause SIGFPE-underflow if value is integer

[patrickdepinguin at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88240

--- Comment #8 from Thomas De Schampheleire <patrickdepinguin at gmail dot com> ---
To clarify the situation with underflow / denormal exception I will debug the
issue again and inspect the corresponding registers.

I'm not familiar with 'NaNs': is it a specific value that I can see in the
union variable? During debugging, the union value was '3'.