After upgrading the default code model from small to medium on LoongArch, function calls using expression may fail. This is because the function call instruction has changed from `bl` to `pcalau18i + jirl`, but `RuntimeDyld` does not handle out-of-range jumps for this instruction sequence. This patch fixes: #136561 Reviewed By: SixWeining Pull Request: https://github.com/llvm/llvm-project/pull/136563