[committed] libstdc++: Add explicit -std=gnu++98 to tests that use { target c++98_only }

[Jonathan Wakely]

Tested x86_64-linux. Pushed to trunk.

-- >8 --

libstdc++-v3/ChangeLog:

	* testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc:
	Add dg-options to restrict the test to C++98 mode.
	* testsuite/23_containers/list/requirements/explicit_instantiation/2.cc:
	Likewise.
---
 .../23_containers/deque/requirements/explicit_instantiation/2.cc | 1 +
 .../23_containers/list/requirements/explicit_instantiation/2.cc  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/libstdc++-v3/testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc
index 3afa9fb4403..6e6ceabad21 100644
--- a/libstdc++-v3/testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc
+++ b/libstdc++-v3/testsuite/23_containers/deque/requirements/explicit_instantiation/2.cc
@@ -21,6 +21,7 @@
 #include <deque>
 #include <testsuite_api.h>
 
+// { dg-options "-std=gnu++98" }
 // { dg-do compile { target c++98_only } }
 
 // N.B. Since C++11 we cannot instantiate with T == NonDefaultConstructible
diff --git a/libstdc++-v3/testsuite/23_containers/list/requirements/explicit_instantiation/2.cc b/libstdc++-v3/testsuite/23_containers/list/requirements/explicit_instantiation/2.cc
index b8f393983b1..463ec507bd9 100644
--- a/libstdc++-v3/testsuite/23_containers/list/requirements/explicit_instantiation/2.cc
+++ b/libstdc++-v3/testsuite/23_containers/list/requirements/explicit_instantiation/2.cc
@@ -21,6 +21,7 @@
 #include <list>
 #include <testsuite_api.h>
 
+// { dg-options "-std=gnu++98" }
 // { dg-do compile { target c++98_only } }
 
 // N.B. Since C++11 we cannot instantiate with T == NonDefaultConstructible
-- 
2.41.0