Re: gcc 4.2 profiling breaks argv

Kris Kennaway wrote:
> On Fri, Aug 03, 2007 at 01:53:20PM +1000, Nick Frampton wrote:
>   
>> Hi all,
>>
>> Programs segfault when attempting to access argv from main when compiled 
>> under gcc 4.2.0 with the -pg profiling option.  The following program 
>> illustrates this problem.
>>
>> $ cat test.c
>> #include <stdio.h>
>> int main (int argc, char **argv) {
>>   fprintf (stderr, "argv=%p\n", argv);
>>   return 0;
>> }
>> $ cc -c -o test.o -pg  test.c  &&  cc -o test  -pg  test.o
>> $ ./test
>> Segmentation fault (core dumped)
>>
>> $ cc -v
>> Using built-in specs.
>> Target: i386-undermydesk-freebsd
>> Configured with: FreeBSD/i386 system compiler
>> Thread model: posix
>> gcc version 4.2.0 20070514 [FreeBSD]
>>
>> $ uname -a
>> FreeBSD test03.statseeker.com 7.0-CURRENT FreeBSD 7.0-CURRENT #1: Fri 
>> Aug  3 11:07:03 EST 2007     
>> root_at_test03.statseeker.com:/usr/obj/usr/src/sys/GENERIC  i386
>>
>> This issue was reported on this list on 5th July 2007 by Garrett Cooper 
>> but argv was not mentioned in that post.  I have not seen this problem 
>> reported elsewhere (e.g. on the gcc mailing list).
>>     
>
> So perhaps you should do so?
>
> Or try checking with 4.2.1 in case it's fixed already.
>
> Kris

    A quick reminder (since I already forgot about this thread): 
<http://www.nabble.com/gcc-4.2.1-status--t4130717.html>.
-Garrett