// Assign globals[i].size.
		g := n.(*ir.Name)
		size := g.Type().Size()
		c = typecheck.DefaultLit(ir.NewInt(base.Pos, size), types.Types[types.TUINTPTR])
		setField("size", c, i)
		// Assign globals[i].sizeWithRedzone.
		rzSize := GetRedzoneSizeForGlobal(size)
		sizeWithRz := rzSize + size
		c = typecheck.DefaultLit(ir.NewInt(base.Pos, sizeWithRz), types.Types[types.TUINTPTR])
		setField("sizeWithRedzone", c, i)

			}
		}

		list.Append(cas.Body.Take()...)
		list.Append(ir.NewBranchStmt(base.Pos, ir.OBREAK, nil))

		var r ir.Node
		if cond != nil {
			cond = typecheck.Expr(cond)
			cond = typecheck.DefaultLit(cond, nil)
			r = ir.NewIfStmt(base.Pos, cond, list, nil)
		} else {
			r = ir.NewBlockStmt(base.Pos, list)
		}

		init = append(init, r)
	}

	if dflt != nil {
		ir.SetPos(dflt)