On Mon, Oct 17, 2016 at 03:40:04PM +0200, thus spake Ignacy Gawedzki:
> On Sun, Oct 16, 2016 at 10:01:30PM +0200, thus spake Waldemar Brodkorb:
> > > As I said, I used d4d4f37 and not strictly origin/master.  But I
> > > otherwise used the command line you gave me, including --libc-source.
> > 
> > But 17ad14e5780533db90171e16b95dbeda4e81ffb0 contains a workaround
> > for exactly the seen problem.
> >  
> > > I will re-run the tests with origin/master and my patch on top of it.
> I found a few interesting things.  The test binaries are compiled by
> openadk with the "initial" GCC and not the "final" one.  The
> difference is that the implementation of the unwinder code is then
> taken from libgcc.a.  I get the same behavior if I explicitly add this
> library to the list of objects to link into the test binary.  With a
> final version of GCC, the implementation is taken from libgcc_s.so as
> it should and the behavior is maybe not ideal but to me it looks far
> better (is that because the initial GCC doesn't really implement any
> unwinder code?).

BTW, the initial GCC is built with --disable-threads.  Could that
possibly be the reason some of the tests in nptl fail?

Ignacy Gawędzki
R&D Engineer
Green Communications
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