Adjust DG directives in libstdc++ Profile Mode test

	* testsuite/ext/profile/all.cc: Use effective target instead of
	-std=gnu++11. Use dg-additional-options instead of repeating options.

From-SVN: r239536

libstdc++-v3/ChangeLog

 2016-08-17  Jonathan Wakely  <jwakely@redhat.com>
 
+	* testsuite/ext/profile/all.cc: Use effective target instead of
+	-std=gnu++11. Use dg-additional-options instead of repeating options.
+
 	* testsuite/20_util/bind/ref_neg.cc: Use effective target instead of
 	-std=gnu++11. Add -fno-show-columns to dg-options. Use dg-prune-output
 	instead of dg-excess-errors.

libstdc++-v3/testsuite/ext/profile/all.cc

-// { dg-options "-std=gnu++11 -O0" }
-// { dg-options "-std=gnu++11 -O0 -D_GLIBCXX_PROFILE_NO_THREADS" { target { ! tls_native } } }
-// { dg-do compile }
+// { dg-options "-O0" }
+// { dg-additional-options "-D_GLIBCXX_PROFILE_NO_THREADS" { target { ! tls_native } } }
+// { dg-do compile { target c++11 } }
 // { dg-require-profile-mode "" }
 
 // -*- C++ -*-