When playing gradius rebirth with the "unlimited use of konami code" gecko cheat enabled will cause dolphin to crash when you die. I can post the full log if you want, but this is where the crash occurs:
56:09:314 PowerPC\PPCAnalyst.cpp:781 E[JIT]: Instruction hex was 0!
56:09:314 HW\MMIO.cpp:198 E[MI]: Trying to read32 from an invalid MMIO (addr=ffff8368)
56:09:314 PowerPC\PPCAnalyst.cpp:781 E[JIT]: Instruction hex was 0!
56:09:314 PowerPC\PPCAnalyst.cpp:781 E[JIT]: Instruction hex was 0!
56:09:314 HW\MMIO.cpp:198 E[MI]: Trying to read32 from an invalid MMIO (addr=ffff8368)
56:09:314 PowerPC\PPCAnalyst.cpp:781 E[JIT]: Instruction hex was 0!