Path: csiph.com!eternal-september.org!feeder.eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail
From: Keith Thompson <kst-u@mib.org>
Newsgroups: comp.lang.c++,comp.lang.c
Subject: Re: alloca()-support
Date: Tue, 01 Oct 2019 02:42:34 -0700
Organization: None to speak of
Lines: 13
Message-ID: <ln5zl83iph.fsf@kst-u.example.com>
References: <qmsqs0$472$1@news.albasani.net> <qmtbkq$pmp$1@dont-email.me> <qmtbqv$ttm$1@news.albasani.net> <qmtd54$5em$2@solani.org> <qmtd94$rr0$1@news.albasani.net> <qbo5pe5igq5pfsf0pnh3tb4pkmgsqh5lnf@4ax.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Injection-Info: reader02.eternal-september.org; posting-host="278a65e792fa58e42a0648a4551fd282"; logging-data="14574"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX1+5eRwjwananO9/DaSDzBXf"
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux)
Cancel-Lock: sha1:aP2iN4nydA1CQ52CxLH6MAvizoc= sha1:/Yrt7aIgIDNnP6I6X+9qG2Nxopk=
Xref: csiph.com comp.lang.c++:68842 comp.lang.c:146495

Robert Wessel <robertwessel2@yahoo.com> writes:
[...]
> Are C++ compilers actually obligated to define _STDC_NO_VLA_?

No, __STDC_NO_VLA__ (note the double underscores) is specific to C11 and
later.  C++ doesn't support VLAs at all, so there's no need for a C++
compiler to indicate its lack of support, and the C++ standard doesn't
require it to do so.

-- 
Keith Thompson (The_Other_Keith) kst-u@mib.org  <http://www.ghoti.net/~kst>
Will write code for food.
void Void(void) { Void(); } /* The recursive call of the void */