[Bug tree-optimization/123117] [16 Regression] LoongArch: wrong code at -O1/O2/O3 since r16-5561

[rdapp at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123117

--- Comment #10 from Robin Dapp <rdapp at gcc dot gnu.org> ---
I'm testing a patch which prevents pack/unpack in nop_conversion_p situations.