bug in lint

[Arthur David Olson]

> The following program causes our 4.2BSD lint to core-dump:
> 	struct { a x; };
> 	typedef int *b, *a;
> 	struct { b y; a z; };

Index:		src/mip/pftn.c Fix

Description:
	Feeding outre source to "lint" or "cc" can cause core dumps using
	either the 4.1bsd or 4.2bsd versions of the programs.

Repeat-By:
	echo "struct { a y; a z; };" > file.c
	cc file.c
	lint file.c

Fix:
	ed mip/pftn.c
	/determine if name/a
	#ifndef OLDVERSION
			if (paramno > 0)
	#endif
	.
	w
	q
--
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