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bug#49990: [core-updates-frozen] Ant-bootstrap broken by classpath-boots

From: Julien Lepiller
Subject: bug#49990: [core-updates-frozen] Ant-bootstrap broken by classpath-bootstrap
Date: Wed, 1 Sep 2021 03:02:55 +0200

Le Wed, 01 Sep 2021 00:32:39 +0200,
Ludovic Courtès <ludo@gnu.org> a écrit :

> Hello!
> As discussed on IRC, I had a semi-victory with the attached patch,
> which works around a miscompilation issue in
> ‘Java_java_io_VMFile_isFile’.

another possibility I tested was to disable optimization by adding
CFLAGS=-O0 to the configure-flags. This creates an unoptimized version,
but that should be fine since it's only for the bootstrap. However, I
noticed that my debug messages from my previous attempt were still
visible when compiling icedtea. I don't know what happened, since
there is at least another classpath version before it.

> Unfortunately, with this patch applied, ‘ant-bootstrap’ fails to build
> with:
> Ideas?  What a wonderful puzzle we have!  :-)

Even more wonderful is the fact I do not get this error at all when
using CFLAGS=-O0, but I do with your patch. I didn't have any issue
either with my previous attempt with debugging. Could there be other
problems with optimizations in classpath?

I attached my counter-patch :)

> Thanks,
> Ludo’.

Attachment: classpath.patch
Description: Text Data

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