py: Reuse value stack in VM WITH_CLEANUP opcode to reduce C-stack size.
py: Reuse value stack in VM WITH_CLEANUP opcode to reduce C-stack size.

Saves 8 bytes C-stack on stmhal and 16 bytes on unix x86.

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ython,torwag/micropython,tdautc19841202/micropython,infinnovation/micropython,henriknelson/micropython,PappaPeppar/micropython,ChuckM/micropython,aethaniel/micropython,swegener/micropython,swegener/micropython,neilh10/micropython,heisewangluo/micropython,firstval/micropython,MrSurly/micropython-esp32,tuc-osg/micropython,pramasoul/micropython,tralamazza/micropython,xuxiaoxin/micropython,adafruit/micropython,neilh10/micropython,mianos/micropython,martinribelotta/micropython,alex-march/micropython,vriera/micropython,lowRISC/micropython,ryannathans/micropython,feilongfl/micropython,kerneltask/micropython,mpalomer/micropython,pozetroninc/micropython,torwag/micropython,mgyenik/micropython,xuxiaoxin/micropython,EcmaXp/micropython,drrk/micropython,lbattraw/micropython,SungEun-Steve-Kim/test-mp,KISSMonX/micropython,vitiral/micropython,xyb/micropython,adafruit/micropython,utopiaprince/micropython,puuu/micropython,HenrikSolver/micropython