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bug#22337: Breakage on amd64 when built with -O1 and higher

From: Andreas Metzler
Subject: bug#22337: Breakage on amd64 when built with -O1 and higher
Date: Sat, 9 Jan 2016 14:47:21 +0100
User-agent: Mutt/1.5.24 (2015-08-30)


this is <https://bugs.debian.org/809608>:

Debian used to build guile-2.0 without optimization, after changing to
-O2 random segfaults in guile-gnutls testsuite started to appear on

This is easily reproducible by building gnutls 3.3.x (18, 19, 20
tested) on amd64 and running the guile testsuite until it fails:

(sid)address@hidden:/tmp/GNUTLS/gnutls-3.3.20$ cd guile/tests
(sid)address@hidden:/tmp/GNUTLS/gnutls-3.3.20/guile/tests$ j=0 ; rm 
openpgp-auth.scm.log openpgp-auth.scm.trs  test-suite.log ; while make  
test-suite.log TEST_LOGS=openpgp-auth.scm.log ; do j=$(($j+1)) ; sleep .01 ; rm 
openpgp-auth.scm.log openpgp-auth.scm.trs  test-suite.log ; done ; echo xxx $j

This will usually be the case after run #1 or #2.

The issue not Debian specific, I also see this with GIT stable-2.0.

Both Ludovic and me have managed to generate backtraces:

cu Andreas

`What a good friend you are to him, Dr. Maturin. His other friends are
so grateful to you.'
`I sew his ears on from time to time, sure'

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