Mark up expected gcc-darwin failures that are due to a gcc bug.

[SVN r32008]

status/explicit-failures-markup.xml

@@ -3183,7 +3183,6 @@ for more information.
             <test name="test_bind_tricky"/>
             <test name="test_reference_wrapper_tricky"/>
             <test name="test_function_tricky"/>
-            <test name="test_tuple_tricky"/>
             <test name="std_test_array_tricky"/>
             <test name="std_test_mem_fn_tricky"/>
             <test name="std_test_bind_tricky"/>
@@ -3213,6 +3212,15 @@ for more information.
             </note>
         </mark-expected-failures>
 
+        <mark-expected-failures>
+            <test name="std_test_bind"/>
+            <test name="test_bind"/>
+            <toolset name="gcc-4_0-darwin"/>
+            <note author="John Maddock">
+               These tests fail on this platform due to a recuring GCC bug.
+            </note>
+        </mark-expected-failures>
+
         <mark-expected-failures>
             <test name="test_type_traits"/>
             <test name="std_test_type_traits"/>