[Bug sanitizer/85213] [8 Regression] -fsanitize=undefined internal compiler error: in fold_convert_loc, at fold-const.c:2402

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85213

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
unshare_expr doesn't unshare the STATEMENT_LISTs embedded inside of it
(and wonder what would Alex' code do if we have two separate DEBUG_BEGIN_STMTs
for the same statement).