diff -r 0dba9b96550a -r 2eebc8f7dca5 test/lp_test.cc
--- a/test/lp_test.cc	Wed Jul 13 14:38:50 2011 +0200
+++ b/test/lp_test.cc	Tue Nov 01 08:24:30 2011 +0100
@@ -166,6 +166,14 @@
     c = ((2 >= e) >= 3);
     c = ((2 >= p1) >= 3);
 
+    { //Tests for #430
+      LP::Col v=lp.addCol();
+      LP::Constr c = v >= -3;
+      c = c <= 4;
+      LP::Constr c2;
+      c2 = -3 <= v <= 4;
+    }
+
     e[x[3]]=2;
     e[x[3]]=4;
     e[x[3]]=1;