[committed] libstdc++: Remove c++98_only dg-error

[Jonathan Wakely]

This fixes
FAIL: 22_locale/ctype/is/string/89728_neg.cc  -std=gnu++98  (test for errors, line )

Since r16-133-g8acea9ffa82ed8 we don't keep issuing more errors after
the first one, so this dg-error no longer matches anything.

libstdc++-v3/ChangeLog:

	* testsuite/22_locale/ctype/is/string/89728_neg.cc: Remove
	dg-error for c++98_only effective target.
---

Tested x86_64-linux, pushed to trunk.

 libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc | 1 -
 1 file changed, 1 deletion(-)

diff --git a/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc b/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc
index a34b2aed971..24aba99376f 100644
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc
@@ -18,7 +18,6 @@
 // <http://www.gnu.org/licenses/>.
 
 // { dg-error "invalid use of incomplete type" "" { target *-*-* } 0 }
-// { dg-error "invalid 'static_cast'" "" { target c++98_only } 0 }
 
 #include <locale>
 
-- 
2.49.0