Re: toolchain/48026: devel/bison crashes on earm because of compilerbug

[Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>]

The following reply was made to PR toolchain/48026; it has been noted by GNATS.

From: Izumi Tsutsui <tsutsui%ceres.dti.ne.jp@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: mlelstv%serpens.de@localhost, tsutsui%ceres.dti.ne.jp@localhost
Subject: Re: toolchain/48026: devel/bison crashes on earm because of compilerbug
Date: Tue, 9 Jul 2013 22:24:02 +0900

 I wrote:
 
 > I wonder which is better:
 > (1) disable -fipa-sra by default in src/external/gpl3/gcc/dist/gcc/opts.c
 > (2) set "DBG?= -O2 -fno-ipa-sra" in src/share/mk/sys.mk
 >     in case of ${MACHINE_CPU} == arm
 
 After build tests on pkgsrc/devel/bison and pkgsrc/net/libIDL,
 it turns out that "-O2 -fno-ipa-sra" doesn't help bison issue.
 So conservative "DBG?= -O1" for all arm and earm port default
 might be safer.
 
 Who can make a decision about this issue?
 
 ---
 Izumi Tsutsui