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Bug#554574: libstdc++6: apt segfaults on hppa

> On Sat, Nov 21, 2009 at 5:37 AM, Aurelien Jarno <aurelien@aurel32.net> wrote:
> >
> > I confirm, it's what I see in the testsuite log:
> >
> > | 77
> > | __signbitl
> > | version status: incompatible
> > | GLIBCXX_3.4
> > | type: function
> > | status: added
> If __signbitl is the only failure in the abi_check, then that's easy
> to fix, the testsuite needs to be updated.

The fail is somewhat puzzling because the problem is supposed fixed
in the 4.4 branch.

> With cloog/ppl disabled I still get 7 testsuite failures, so I'll have
> to dig into each failure tommorow and see what's wrong.
> ~~~
> Running target unix
> FAIL: abi_check
> FAIL: 26_numerics/complex/13450.cc (test for excess errors)
> UNRESOLVED: 26_numerics/complex/13450.cc compilation failed to produce
> executable
> FAIL: 26_numerics/complex/pow.cc (test for excess errors)
> UNRESOLVED: 26_numerics/complex/pow.cc compilation failed to produce executable
> XPASS: 26_numerics/headers/cmath/c99_classification_macros_c.cc (test
> for excess errors)
> FAIL: 29_atomics/atomic_flag/clear/1.c execution test
> FAIL: 29_atomics/atomic_flag/test_and_set/explicit.c execution test
> FAIL: tr1/8_c_compatibility/complex/overloads_float.cc (test for excess errors)
> FAIL: tr1/8_c_compatibility/complex/overloads_int.cc (test for excess errors)
> UNRESOLVED: tr1/8_c_compatibility/complex/overloads_int.cc compilation
> failed to produce executable

Try adding --disable-libstdcxx-pch as mentioned earlier in this thread.
This is PR 39355: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=39355

Good luck in debugging this bug!  I was not able to determine the
actual cause.  It appears GCC's internal data are somewhat corrupt
when the pch header files are generated.  This causes various tests
to ICE when compiled with the pch headers.

The problem appears to have gone away with head.  I don't see it with

J. David Anglin                                  dave.anglin@nrc-cnrc.gc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6602)

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