4.2 cc/lint strangeness (pcc)

[darryl at ISM780.UUCP]

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Pcc has a bug regarding constant expressions containing casts.  This was
recently brought up in net.lang.c regarding an expression to get a mask with
the high order bit on using

unsigned int mask=~(~((unsigned)0)>>1);

The VAX System III pcc will choke on this, and there were other versions
of pcc indited as well.

	    --Darryl Richman, INTERACTIVE Systems Inc.
	    ...!cca!ima!ism780!darryl
	    The views expressed above are my opinions only.