Date: Wed, 9 Apr 2008 14:48:27 -0400 From: Alexander Kabaev <kabaev@gmail.com> To: yuri@rawbw.com Cc: freebsd-hackers@freebsd.org Subject: Re: C++ exceptions are broken in FreeBSD with gcc-compiled code? Message-ID: <20080409144827.39bc4f33@kan.dnsalias.net> In-Reply-To: <47FCF12D.3070902@rawbw.com> References: <47FCF12D.3070902@rawbw.com>
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On Wed, 09 Apr 2008 09:39:09 -0700
Yuri <yuri@rawbw.com> wrote:
> I am unable to make a C++ program to catch an exception using the the=20
> system g++ compiler.
% c++ -o exc exc.c=20
% ./exc
Caught an exception "String"
% c++ -O2 -pthread -o exc exc.c
% ./exc =20
Caught an exception "String"
% c++42 -O2 -pthread -o exc exc.c
% ./exc
Caught an exception "String"
% c++42 -O2 -o exc exc.c =20
% ./exc =20
Caught an exception "String"
% cat exc.c
#include <iostream>
#include <string>
using namespace std;
int
main()
{
try {
throw string("String");
} catch (string s) {
cout << "Caught an exception \"" << s << "\"\n";
}
return 0;
}
% uname -a
FreeBSD kan.dnsalias.net 8.0-CURRENT FreeBSD 8.0-CURRENT #0: Sun Apr 6
14:22:23 EDT 2008 ...
Same on RELENG_6 (do not have 7.0 around, but 8.0 and 7.0 are identical
compiler-wise. Same on 8.0/amd64.
BTW, do you have . in your PATH?
> g++ -fexceptions -o exc exc.C
> exc <=3D=3D=3D=3D should it be ./exc ?=20
Exception raised: Memory allocation failure!
^^^^^^^^^^^ Not in your sample code.
--=20
Alexander Kabaev
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