diff --git a/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp b/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
index 1309a00d..3d4df9cb 100644
--- a/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
+++ b/test/input.output/iostream.format/input.streams/istream.unformatted/get.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // XFAIL: with_system_lib=x86_64-apple-darwin11
+// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp b/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
index ee46566c..d060ccce 100644
--- a/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
+++ b/test/input.output/iostream.format/input.streams/istream.unformatted/get_chart.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // XFAIL: with_system_lib=x86_64-apple-darwin11
+// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp b/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
index b57014a9..636cf078 100644
--- a/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
+++ b/test/input.output/iostream.format/input.streams/istream.unformatted/read.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // XFAIL: with_system_lib=x86_64-apple-darwin11
+// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <istream>
 
diff --git a/test/numerics/complex.number/complex.ops/stream_input.pass.cpp b/test/numerics/complex.number/complex.ops/stream_input.pass.cpp
index 1876147a..107eefc0 100644
--- a/test/numerics/complex.number/complex.ops/stream_input.pass.cpp
+++ b/test/numerics/complex.number/complex.ops/stream_input.pass.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 //
 // XFAIL: with_system_lib=x86_64-apple-darwin11
+// XFAIL: with_system_lib=x86_64-apple-darwin12
 
 // <complex>