[Bug lto/91772] [8/9/10 Regression] ICE in add_dwarf_attr, at dwarf2out.c:4412 since r259749

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91772

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 46889
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46889&action=edit
patch