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From: Andreas Schwab <schwab@linux-m68k.org>
To: Rong Xu <xur@google.com>
Cc: Xinliang David Li <davidxl@google.com>,  Jakub Jelinek <jakub@redhat.com>,  Richard Biener <richard.guenther@gmail.com>,  Jan Hubicka <hubicka@ucw.cz>,  GCC Patches <gcc-patches@gcc.gnu.org>,  Xinliang David Li <xinliangli@gmail.com>,  Teresa Johnson <tejohnson@google.com>,  Dehao Chen <dehao@google.com>
Subject: Re: [PATCH] offline gcda profile processing tool
References: <CAF1bQ=T7xuC7O4=n90eN-pKh0me0d1e+50iXFtEcOD4o8s0ArQ@mail.gmail.com>	<CAF1bQ=TypsiC1Aa3Bz14cxX5sP9Zt02ecVPuU_xnS=2+zmDAQg@mail.gmail.com>	<CAF1bQ=SPdSH8ffMSEBkGQqH-w7b5ye3mC4n2CwqenH8EbGR+PA@mail.gmail.com>	<20140415213850.GA23141@atrey.karlin.mff.cuni.cz>	<CAF1bQ=Tsi9JmmZSQo4NJwfes-1EAzzVC_645YEpO5k6PRaeKqA@mail.gmail.com>	<20140417033448.GC3157@kam.mff.cuni.cz>	<CAF1bQ=RD2d1E8PGi9FW5WffPupNcG84TBv53GH62k5vVwu2fGQ@mail.gmail.com>	<CAF1bQ=SYZfERgODf=Yc=qRtDxhJg-8Dt0OaGKf4GxM0_y+vUbg@mail.gmail.com>	<CAFiYyc0WO3-4VQ0KDYkg6wb55A72-6A+h_L47X0vMUafziOM9Q@mail.gmail.com>	<CAAkRFZ+SzUCN8vkWaKGiGna3oN0qbph6tpB=r1kWqybeEg6EMw@mail.gmail.com>	<20140711154426.GX31640@tucnak.redhat.com>	<CAAkRFZKRqFCbLyJzPvwkPRgoZCS2aGCqiAxbT0zZejXZhkw6iw@mail.gmail.com>	<CAF1bQ=QGdDgirnSA4dWDD-gym7V9KBW-9aOEvEH4Kbx5jvs2OQ@mail.gmail.com>
X-Yow: Why was I BORN?
Date: Sun, 13 Jul 2014 07:49:00 -0000
In-Reply-To: <CAF1bQ=QGdDgirnSA4dWDD-gym7V9KBW-9aOEvEH4Kbx5jvs2OQ@mail.gmail.com>	(Rong Xu's message of "Fri, 11 Jul 2014 11:29:56 -0700")
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Rong Xu <xur@google.com> writes:

> In my test, I used gcc-4.6 as the host compiler. I got warning like this:
>
> In file included from ../../gcc/gcc/../libgcc/libgcov-util.c:30:0:
> ../../gcc/gcc/../libgcc/libgcov.h:184:30: warning: ISO C++ forbids
> zero-size array ‘ctrs’ [-pedantic]

With gcc 4.3 this is an error, so -Wno-error has no effect.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."