tcc

Use packed RSysBits in RDebug plugins ##debug #19416

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Run time

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Job	Run time
ubuntu-tcc-test	4m 53s
ubuntu-tcc-newabi	5m 13s
r2pm-tcc	2m 7s
ubuntu-tcc-nodbg	5m 10s
ubuntu-tcc-syslibs	1m 4s
	18m 27s