diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 640cf6f2ce7..4070c2a0432 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,9 @@
+2010-12-15  Jonathan Wakely  <jwakely.gcc@gmail.com>
+
+	PR libstdc++/46951
+	* testsuite/30_threads/future/members/45133.cc: Fix dg-options.
+	* testsuite/30_threads/shared_future/members/45133.cc: Likewise.
+
 2010-12-14  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	PR libstdc++/45133
diff --git a/libstdc++-v3/testsuite/30_threads/future/members/45133.cc b/libstdc++-v3/testsuite/30_threads/future/members/45133.cc
index a4e4551d895..aca902d581f 100644
--- a/libstdc++-v3/testsuite/30_threads/future/members/45133.cc
+++ b/libstdc++-v3/testsuite/30_threads/future/members/45133.cc
@@ -1,4 +1,7 @@
-// { dg-options "-std=gnu++0x" }
+// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
+// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
+// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
+// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
 // { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { dg-require-atomic-builtins "" }
diff --git a/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc b/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
index d71097fb1d6..f6f533a5dcc 100644
--- a/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
+++ b/libstdc++-v3/testsuite/30_threads/shared_future/members/45133.cc
@@ -1,4 +1,7 @@
-// { dg-options "-std=gnu++0x" }
+// { dg-do run { target *-*-freebsd* *-*-netbsd* *-*-linux* *-*-solaris* *-*-cygwin *-*-darwin* alpha*-*-osf* mips-sgi-irix6* } }
+// { dg-options " -std=gnu++0x -pthread" { target *-*-freebsd* *-*-netbsd* *-*-linux* alpha*-*-osf* mips-sgi-irix6* } }
+// { dg-options " -std=gnu++0x -pthreads" { target *-*-solaris* } }
+// { dg-options " -std=gnu++0x " { target *-*-cygwin *-*-darwin* } }
 // { dg-require-cstdint "" }
 // { dg-require-gthreads "" }
 // { dg-require-atomic-builtins "" }