[Bug target/85492] riscv64: endless loop when throwing an exception from a constructor

[palmer at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85492

--- Comment #5 from palmer at gcc dot gnu.org ---
Thanks Jim.  This looks good to me, are you comfortable submitting glibc
patches?  If so then I'll commit it, otherwise I can send it out myself.