From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <hubicka@kam.mff.cuni.cz>
Received: from nikam.ms.mff.cuni.cz (nikam.ms.mff.cuni.cz [195.113.20.16])
 by sourceware.org (Postfix) with ESMTPS id 32C4B385840B;
 Thu,  4 Nov 2021 17:00:57 +0000 (GMT)
DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 32C4B385840B
Received: by nikam.ms.mff.cuni.cz (Postfix, from userid 16202)
 id D42992809B4; Thu,  4 Nov 2021 18:00:55 +0100 (CET)
Date: Thu, 4 Nov 2021 18:00:55 +0100
From: Jan Hubicka <hubicka@kam.mff.cuni.cz>
To: "aldyh at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
Cc: gcc-bugs@gcc.gnu.org
Subject: Re: [Bug tree-optimization/102943] [12 Regression] Jump threader
 compile-time hog with 521.wrf_r
Message-ID: <20211104170055.GA92296@kam.mff.cuni.cz>
References: <bug-102943-4@http.gcc.gnu.org/bugzilla/>
 <bug-102943-4-Jn4ggSoZ6c@http.gcc.gnu.org/bugzilla/>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <bug-102943-4-Jn4ggSoZ6c@http.gcc.gnu.org/bugzilla/>
User-Agent: Mutt/1.10.1 (2018-07-13)
X-Spam-Status: No, score=-5.5 required=5.0 tests=BAYES_00, DKIM_SIGNED,
 DKIM_VALID, DKIM_VALID_AU, KAM_SHORT, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL,
 SPF_HELO_NONE, SPF_NONE, TXREP autolearn=ham autolearn_force=no version=3.4.4
X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on
 server2.sourceware.org
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Thu, 04 Nov 2021 17:00:59 -0000

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102943
> 
> Aldy Hernandez <aldyh at gcc dot gnu.org> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>          Depends on|                            |103058
> 
> --- Comment #18 from Aldy Hernandez <aldyh at gcc dot gnu.org> ---
> 251.wrf_r is no longer building.  Seems to be the same issue in PR103058.
> 
> during GIMPLE pass: alias
> module_fr_fire_phys.fppized.f90: In function 'init_fuel_cats':
> module_fr_fire_phys.fppized.f90:136:25: internal compiler error: in
> gimple_call_static_chain_flags, at gimple.c:1669
>   136 | subroutine init_fuel_cats
>       |                         ^
> 0x6957b5 gimple_call_static_chain_flags(gcall const*)
>         /home/aldyh/src/clean/gcc/gimple.c:1669

I have commited workaround for this.
However here it looks like a frontend issue - I do not think Fortran
should produce nested functions with external linkage. At least there
seems to be no good reason for doing so since they can not be called
cross-module.

Honza