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Re: [C++] init.c/build_new wrongly implements new-expression
- To: Gabriel Dos_Reis <Gabriel dot Dos_Reis at sophia dot inria dot fr>
- Subject: Re: [C++] init.c/build_new wrongly implements new-expression
- From: Alexandre Oliva <oliva at dcc dot unicamp dot br>
- Date: 25 May 1999 01:37:52 -0300
- Cc: egcs-bugs at egcs dot cygnus dot com
- References: <xajhfp1n9r4.fsf@korrigan.inria.fr>
On May 24, 1999, Gabriel Dos_Reis <Gabriel.Dos_Reis@sophia.inria.fr> wrote:
> So that the following ends up with a segmentation fault instead of
> throwing a bad_alloc:
> double* p = new double[numeric_limits<size_t>::max()];
It is correct. It is not the allocation that fails, it's the size
calculation that overflows, thus producing undefined results.
--
Alexandre Oliva http://www.dcc.unicamp.br/~oliva IC-Unicamp, Bra[sz]il
{oliva,Alexandre.Oliva}@dcc.unicamp.br aoliva@{acm.org,computer.org}
oliva@{gnu.org,kaffe.org,{egcs,sourceware}.cygnus.com,samba.org}
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