[Bug tree-optimization/69058] segfault with ftree-parallelize-loops=2 in libgo/go/strconv/decimal.go

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69058

--- Comment #2 from vries at gcc dot gnu.org ---
Created attachment 37200
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37200&action=edit
tentative patch