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client-ip=206.124.132.107 Received: from mimir.eigenstate.org (mimir.eigenstate.org [206.124.132.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Wed, 16 Jun 2021 16:28:35 -0400 (EDT) (envelope-from ori@eigenstate.org) Received: from abbatoir.myfiosgateway.com (pool-74-108-56-225.nycmny.fios.verizon.net [74.108.56.225]) by mimir.eigenstate.org (OpenSMTPD) with ESMTPSA id a97004d3 (TLSv1.2:ECDHE-RSA-AES256-SHA:256:NO) for <9fans@9fans.net>; Wed, 16 Jun 2021 13:28:33 -0700 (PDT) Message-ID: <2484945A14B69F5196BABCD506615017@eigenstate.org> To: 9fans@9fans.net Subject: Re: [9fans] non-interruptible temporary: why do we care? Date: Wed, 16 Jun 2021 16:28:32 -0400 From: ori@eigenstate.org In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 6fec8cec-cee1-11eb-9626-a5b3e2b1c22d Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UZGNmYjhmODRjOTBlYjE5OS1NYTYwODgwMGRiNzM1NmQxMGEwMmM0?= =?UTF-8?B?YjQ0Pg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:Ma608800db7356d10a02c4b44:1:VFgtkoOtMO--Zk25Yt5nf5Z6NR5JvD7EnSU-2LEPNA4 Quoth unobe@cpan.org: > Quoth ori@eigenstate.org: > > Our compilers will sometimes produce a warning about > > a non-interruptible temporary: > > ... > > Why do we warn about non-interruptible > > temporaries? What issues am I missing? >=20 > Silence to this question means no one knows, right? >=20 I pinged Charles off list and got a response -- it means we're falling into the rathole; in other words, we're accessing a global variable. The right thing to do (IMO) is make the compiler allocate on the stack, and then the warning would be unneded. ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tdcfb8f84c90eb199-Ma6088= 00db7356d10a02c4b44 Delivery options: https://9fans.topicbox.com/groups/9fans/subscription