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Re: [PATCH] Do not warn with warn_unused_result for alloca(0).

From: Tom Tromey <tom at tromey dot com>
To: Jeff Law <law at redhat dot com>
Cc: Jakub Jelinek <jakub at redhat dot com>, Martin Sebor <msebor at gmail dot com>, Michael Matz <matz at suse dot de>, Martin Liška <mliska at suse dot cz>, Andrew Haley <aph at redhat dot com>, GCC Development <gcc at gcc dot gnu dot org>, GCC Patches <gcc-patches at gcc dot gnu dot org>
Date: Thu, 13 Jun 2019 10:46:51 -0600
Subject: Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
References: <8421509a-7703-b747-ffeb-fc2c5497c2b5@suse.cz> <alpine.LSU.2.21.1906111556360.14346@wotan.suse.de> <20190611160359.GM19695@tucnak> <b1cd7377-e3f7-02b6-2923-715108e71c52@suse.cz> <20190612112201.GW19695@tucnak> <5060338e-1f1f-5362-f130-9bae1bf962fb@suse.cz> <20190612113705.GX19695@tucnak> <dc4a2c13-8271-d260-e060-6548c40741df@gmail.com> <alpine.LSU.2.21.1906121514320.14346@wotan.suse.de> <e9d1b657-fc58-bbb1-06f6-01f44b3dbe3f@gmail.com> <20190612164003.GZ19695@tucnak> <36b1ea13-0e12-1343-5394-ce5161db4710@redhat.com>

>>>>> "Jeff" == Jeff Law <law@redhat.com> writes:

Jeff> I'd like to move C-alloca support to the ash heap of history.  But I'm
Jeff> not sure we can realistically do that.

Are there still platforms or compilers in use where it's needed?

For gdb I was planning to just remove these calls.

Tom

Follow-Ups:
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Martin Sebor
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Jeff Law

References:
- Re: alloca (0) in include/libiberty.h
  - From: Martin Liška
- Re: alloca (0) in include/libiberty.h
  - From: Michael Matz
- Re: alloca (0) in include/libiberty.h
  - From: Jakub Jelinek
- [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Martin Liška
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Jakub Jelinek
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Martin Liška
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Jakub Jelinek
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Martin Sebor
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Michael Matz
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Martin Sebor
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Jakub Jelinek
- Re: [PATCH] Do not warn with warn_unused_result for alloca(0).
  - From: Jeff Law

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