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From: Ian Lance Taylor <iant@google.com>
To: Matt Hargett <matt@use.net>
Cc: "gcc-help\@gcc.gnu.org" <gcc-help@gcc.gnu.org>
Subject: Re: bootstrap comparison failure with bootstrap-lto
References: <Pine.NEB.4.64.1111141342150.283@cesium.clock.org>	<mcrsjlq7399.fsf@dhcp-172-18-216-180.mtv.corp.google.com>	<Pine.NEB.4.64.1111161146560.4352@cesium.clock.org>	<mcr8vnfvil6.fsf@dhcp-172-18-216-180.mtv.corp.google.com>	<Pine.NEB.4.64.1111171544560.23588@cesium.clock.org>	<mcrd3cqoshc.fsf@dhcp-172-18-216-180.mtv.corp.google.com>	<Pine.NEB.4.64.1111181204040.14521@cesium.clock.org>	<mcrzkftm61g.fsf@dhcp-172-18-216-180.mtv.corp.google.com>	<Pine.NEB.4.64.1111181446330.20625@cesium.clock.org>	<mcrpqgolxw0.fsf@dhcp-172-18-216-180.mtv.corp.google.com>	<Pine.NEB.4.64.1111191638350.15450@cesium.clock.org>	<mcrr513i8xg.fsf@dhcp-172-18-216-180.mtv.corp.google.com>	<9A909B94-ADF4-4213-B862-5AEE2C19F715@use.net>
Date: Mon, 21 Nov 2011 17:27:00 -0000
In-Reply-To: <9A909B94-ADF4-4213-B862-5AEE2C19F715@use.net> (Matt Hargett's	message of "Sun, 20 Nov 2011 07:52:59 -0800")
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Matt Hargett <matt@use.net> writes:

>> Looking at this, I think that this kind of test is going to fail when
>> using -flto and gold, because gold is going to report that the symbols
>> listed in the .ctors and .init_array sections are not visible from the
>> outside.  Unfortunately this is not simple to fix in gold.  In fact, I'm
>> not sure it's possible in the general case.
>
> Do we have enough info to file an actionable bug (or bugs)? if so, should I file it under the bootstrap component?

I filed http://gcc.gnu.org/PR51225 .

I'm testing a patch to add -fno-lto when running that test in the
configure script.

Ian