Date: Sun, 23 Mar 2008 04:58:01 -0700 From: Jeremy Chadwick <koitsu@freebsd.org> To: Mikael Ikivesi <mikael.ikivesi@pp.inet.fi> Cc: freebsd-stable@freebsd.org Subject: Re: gcc -O2 error Message-ID: <20080323115801.GA68873@eos.sc1.parodius.com> In-Reply-To: <20080322192433.3719eb44@pp.inet.fi> References: <20080322192433.3719eb44@pp.inet.fi>
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On Sat, Mar 22, 2008 at 07:24:33PM +0200, Mikael Ikivesi wrote:
> #include <wchar.h>
> #include <stdio.h>
>
> #define max_word_len 64
>
> wchar_t *wrong(wchar_t *wordlist, wchar_t *word)
> { wchar_t buffer[max_word_len+2];
> buffer[max_word_len+2]=0;
>
> <STRIPPED PART>
>
> if(wcsstr(wordlist,buffer)==0) wcscpy(wordlist,buffer);
>
> <STRIPPED PART>
>
> return wordlist;
> }
There's an off-by-one error in your code, which is very likely tickling
a bug in gcc.
That said, gcc shouldn't crash or be generating working code depending
upon which optimisation flags you use, so as Kris said, file a bug with
the gcc team for that.
--
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
| Making life hard for others since 1977. PGP: 4BD6C0CB |
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