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Date:      Wed, 9 May 2007 18:59:05 +0000
From:      "Wojciech A. Koszek" <wkoszek@freebsd.org>
To:        freebsd-current@freebsd.org
Cc:        jasone@freebsd.org
Subject:   yacc(1) causes a fault -- "fault VA = 0xa5a5a5b1"
Message-ID:  <20070509185905.GA29365@FreeBSD.czest.pl>

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Hi,

I have a file:

	http://people.freebsd.org/~wkoszek/traces/grammar.y

I run this command:

	yacc -d -o grammar.c grammar.y

While I get a following warning on RELENG_6 machines:

	$ yacc -d -o grammar.c grammar.y
	yacc: w - line 36 of "grammar.y", the default action assigns an
	undefined value to $$
	yacc: w - the symbol NUMBER is undefined

On various -CURRENT boxes I see:

	$ yacc -d -o grammar.c grammar.y
	fatal process exception: page fault, fault VA = 0xa5a5a5b1
	zsh: segmentation fault (core dumped)  yacc -d -o grammar.c grammar.y

Sounds like a regression in malloc(3) ?

Thanks,

-- 
Wojciech A. Koszek
wkoszek@FreeBSD.org
http://FreeBSD.czest.pl/dunstan/



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