"cmd/compile/internal/pgoir"
	"cmd/compile/internal/ssa"
	"cmd/compile/internal/types"
	"cmd/internal/obj"
	"cmd/internal/objabi"
	"cmd/internal/src"
)

// cmpstackvarlt reports whether the stack variable a sorts before b.
func cmpstackvarlt(a, b *ir.Name, mls *liveness.MergeLocalsState) bool {
	// Sort non-autos before autos.
	if needAlloc(a) != needAlloc(b) {
		return needAlloc(b)
	}

//   - Offset of the first closure slot (the rest are laid out consecutively).
func (s *state) emitOpenDeferInfo() {
	firstOffset := s.openDefers[0].closureNode.FrameOffset()

	// Verify that cmpstackvarlt laid out the slots in order.
	for i, r := range s.openDefers {
		have := r.closureNode.FrameOffset()
		want := firstOffset + int64(i)*int64(types.PtrSize)
		if have != want {