[RFC] patch LD_LIBRARY_PATH_64 for sparc solaris testing

[Eric Botcazou]

> > FAIL: g++.dg/eh/simd-1.C (test for excess errors)
> > WARNING: g++.dg/eh/simd-1.C compilation failed to produce executable
> > FAIL: g++.dg/eh/simd-2.C (test for excess errors)
> > WARNING: g++.dg/eh/simd-2.C compilation failed to produce executable
> >
> > in 32-bit mode should be XFAILed as in 64-bit mode.  Could you take a
> > look at objdir/gcc/testsuite/g++.log and post the error messages?
>
> Will do after the next run.

I could reproduce the failures but they are spurious: if you regtest only the 
two tests in 32-bit/64-bit mode with RUNTESTFLAGS, they vanish.

-- 
Eric Botcazou