[Bug 1242769] perl-Algorithm-CurveFit-1.05-14.fc23 FTBFS: Failed test at t/02bad_deriv.t line 50

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1242769



--- Comment #4 from Petr Pisar <ppisar at redhat.com> ---
If I only relink perl from the the same build directory as the affected comes
from with old ldflags:

$ gcc -o perl -fstack-protector-strong -L/usr/local/lib -Wl,--enable-new-dtags
perlmain.o  libperl.so `cat ext.libs` -lpthread -lresolv -lnsl -ldl -lm -lcrypt
-lutil -lc

And use the the perl to run the t/02bad_deriv.t, it passes. If I relink the
perl with the hardened ldflags:

$ gcc -o perl -Wl,-z,relro -specs=/usr/lib/rpm/redhat/redhat-hardened-ld
-fstack-protector-strong -L/usr/local/lib -Wl,--enable-new-dtags -Wl,-z,relro
-specs=/usr/lib/rpm/redhat/redhat-hardened-ld perlmain.o  libperl.so `cat
ext.libs` -lpthread -lresolv -lnsl -ldl -lm -lcrypt -lutil -lc

the test fails.

Also the test passes with the hardened perl when running under valgrind.

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