[testsuite] Remove reference to Solaris 2.[56]

[Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>]

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I happened to notice that we have one last reference to long obsolete
Solaris versions in the testsuite.  Fixed like this, tested with the
appropriate runtest invocation on i386-pc-solaris2.12, installed on
mainline.

	Rainer

-- 
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Rainer Orth, Center for Biotechnology, Bielefeld University


2017-06-19  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* g++.dg/other/unused1.C: Remove *-*-solaris2.[56]* from
	dg-skip-if list.


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# HG changeset patch
# Parent  815bc356f0b7743fb4cb5c9aa382bb7b1edc66d2
Remove reference to Solaris 2.[56]

diff --git a/gcc/testsuite/g++.dg/other/unused1.C b/gcc/testsuite/g++.dg/other/unused1.C
--- a/gcc/testsuite/g++.dg/other/unused1.C
+++ b/gcc/testsuite/g++.dg/other/unused1.C
@@ -1,6 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-g" } */
-/* { dg-skip-if "" { { hppa*-*-hpux* *-*-solaris2.[56]* powerpc-ibm-aix* } && { ! hppa*64*-*-* } } } */
+/* { dg-skip-if "" { { hppa*-*-hpux* powerpc-ibm-aix* } && { ! hppa*64*-*-* } } } */
 
 /* Make sure we didn't eliminate casted types because we thought they were
    unused.  */