[Bug target/83496] MIPS BE: wrong code generates under "-Os -mbranch-cost=1"

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83496

--- Comment #12 from Segher Boessenkool <segher at gcc dot gnu.org> ---
It's the dbr ("reorg") pass that is deleting the insn.