setSlot(slot, VarLoc{regs, last.StackOffset})
		}

		locs.registers[reg] = locs.registers[reg][:0]
	}

	switch {
	case v.Op == OpVarDef:
		n := v.Aux.(*ir.Name)
		if ir.IsSynthetic(n) {
			break
		}

		slotID := state.varParts[n][0]
		var stackOffset StackOffset
		if v.Op == OpVarDef {
			stackOffset = StackOffset(state.stackOffset(state.slots[slotID])<<1 | 1)
		}

		// set the R_WEAK bit, leave rest of reloc type intact
		fn.LSym.R[i].Type |= objabi.R_WEAK
	}
}

// StackOffset returns the stack location of a LocalSlot relative to the
// stack pointer, suitable for use in a DWARF location entry. This has nothing
// to do with its offset in the user variable.
func StackOffset(slot ssa.LocalSlot) int32 {
	n := slot.N
	var off int64
	switch n.Class {
	case ir.PPARAM, ir.PPARAMOUT:

		if e.curfn.ABI == obj.ABIInternal && base.Flag.N != 0 {
			ssa.BuildFuncDebugNoOptimized(base.Ctxt, f, base.Debug.LocationLists > 1, StackOffset, debugInfo)
		} else {
			ssa.BuildFuncDebug(base.Ctxt, f, base.Debug.LocationLists, StackOffset, debugInfo)
		}
		bstart := s.bstart
		idToIdx := make([]int, f.NumBlocks())
		for i, b := range f.Blocks {
			idToIdx[b.ID] = i
		}