[llvm] [RISCV] Preserve MMO when expanding PseudoRV32ZdinxSD/PseudoRV32ZdinxLD. (PR #85877)

[Dávid Ferenc Szabó via llvm-commits]

dfszabo wrote:

We have issues with the assertion going of. Not sure, but it seems to that the machine outliner pass will create instructions without mem operands (https://github.com/llvm/llvm-project/blob/25b58c877c851bed9c34362cd69bcd8d8bb65ac4/llvm/lib/CodeGen/MachineOutliner.cpp#L957) is causing the issues. Is this possible? 

https://github.com/llvm/llvm-project/pull/85877