libstdc++: Fix new test for C++98 mode [PR 89728]

The isblank class is not supported until C++11.

Signed-off-by: Jonathan Wakely <jwakely@redhat.com>
libstdc++-v3/ChangeLog:

	* testsuite/22_locale/ctype/is/string/89728_neg.cc: Only test
	isblank for C++11 and later.

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 9f15620c9a8ac142ce7c9de1614a937658dcc804..89843b68494cbb1577ecbb11130410ecc8fde2e5 100644 (file)
--- a/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc
+++ b/libstdc++-v3/testsuite/22_locale/ctype/is/string/89728_neg.cc
@@ -45,7 +45,9 @@ void test01()
   std::isxdigit(make_str<char, 7>(), loc);     // { dg-error "required from here" }
   std::isalnum(make_str<char, 8>(), loc);      // { dg-error "required from here" }
   std::isgraph(make_str<char, 9>(), loc);      // { dg-error "required from here" }
-  std::isblank(make_str<char, 10>(), loc);     // { dg-error "required from here" }
+#if __cplusplus >= 201103
+  std::isblank(make_str<char, 10>(), loc);     // { dg-error "required from here" "" { target c++11 } }
+#endif
   std::toupper(make_str<char, 11>(), loc);     // { dg-error "required from here" }
   std::tolower(make_str<char, 12>(), loc);     // { dg-error "required from here" }
 }
@@ -66,7 +68,9 @@ void test02()
   std::isxdigit(make_str<wchar_t, 7>(), loc);  // { dg-error "required from here" }
   std::isalnum(make_str<wchar_t, 8>(), loc);   // { dg-error "required from here" }
   std::isgraph(make_str<wchar_t, 9>(), loc);   // { dg-error "required from here" }
-  std::isblank(make_str<wchar_t, 10>(), loc);  // { dg-error "required from here" }
+#if __cplusplus >= 201103
+  std::isblank(make_str<wchar_t, 10>(), loc);  // { dg-error "required from here" "" { target c++11 } }
+#endif
   std::toupper(make_str<wchar_t, 11>(), loc);  // { dg-error "required from here" }
   std::tolower(make_str<wchar_t, 12>(), loc);  // { dg-error "required from here" }
 }