Update g++.dg/ext/sve-sizeless-2.C after r279471

2019-12-19  Richard Sandiford  <richard.sandiford@arm.com>

gcc/testsuite/
	* g++.dg/ext/sve-sizeless-2.C: Don't expect an error for
	alias templates.

From-SVN: r279588

gcc/testsuite/ChangeLog

+2019-12-19  Richard Sandiford  <richard.sandiford@arm.com>
+
+	* g++.dg/ext/sve-sizeless-2.C: Don't expect an error for
+	alias templates.
+
 2019-12-19 Mark Eggleston  <mark.eggleston@codethink.com>
 
 	PR fortran/92896

gcc/testsuite/g++.dg/ext/sve-sizeless-2.C

@@ -74,7 +74,7 @@ template class templated_struct5<svint8_t>;
 
 #if __cplusplus >= 201103L
 template<int N> using typedef_sizeless1 = svint8_t;
-template<int N> using typedef_sizeless1 = svint8_t; // { dg-error {redefinition of 'template<int N> using typedef_sizeless1 = svint8_t'} "" { target c++11 } }
+template<int N> using typedef_sizeless1 = svint8_t;
 template<typename T> using array = T[2];
 #endif