https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69233
--- Comment #1 from Andrew Pinski ---
It is unspecified what the value of an overflow conversion is. So 1 is correct
so is -1 and/or INT_MAX.
I don't think this is a bug.
The test code which depends on these values is broken and should not be
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69233
--- Comment #2 from Steven Munroe ---
Well the language spec may not specify. But I can ask the platform to be
consistent with itself. For PowerISA I would expect long double -> __int128 to
be consistent with double -> long, which saturates
