[debug-info] Re-enable alloc-stack-hoisting on the move function tests.
I fixed the issues exposed with alloc-stack-hoisting for llvm.dbg.addr some time
ago but didn't update this test.
The test changes are b/c I did not fix this for llvm.dbg.declare resulting in us
losing the variable "m" in certain situations. "k" the thing we care about is
actually fine though.