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

[wilson at gcc dot gnu.org]

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

--- Comment #4 from Jim Wilson <wilson at gcc dot gnu.org> ---
Created attachment 44032
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44032&action=edit
proposed glibc patch to fix the problem