Index: libs/variant/test/Jamfile.v2
===================================================================
--- libs/variant/test/Jamfile.v2	(revision 57567)
+++ libs/variant/test/Jamfile.v2	(working copy)
@@ -12,6 +12,11 @@
 #  modified is included with the above copyright notice.
 #
     
+project
+    : requirements
+        <toolset>msvc:<asynch-exceptions>on # calling _set_se_translator() requires /EHa
+;
+
 test-suite variant
      : 
     [ run test1.cpp class_a.cpp : : : : variant_test1 ]