diff -r 4d4277941a45 Python/compile.c
--- a/Python/compile.c	Fri Apr 12 23:30:59 2013 +0300
+++ b/Python/compile.c	Sat Apr 13 13:09:53 2013 -0400
@@ -3212,6 +3212,24 @@
             return 1;
         else if (o == Py_False)
             return 0;
+        return -1;
+    }
+    case BoolOp_kind: {
+        int i, k, n = asdl_seq_LEN(e->v.BoolOp.values);
+        assert(n > 0);
+        int ret = expr_constant(
+            c, (expr_ty) asdl_seq_GET(e->v.BoolOp.values, 0));
+        for (i = 1; ret != -1 && i < n; i++) {
+            expr_ty opnd = (expr_ty) asdl_seq_GET(e->v.BoolOp.values, i);
+            k = expr_constant(c, opnd);
+            if (k == -1)
+                ret = -1;
+            else if (e->v.BoolOp.op == And)
+                ret = ret && k;
+            else
+                ret = ret || k;
+        }
+        return ret;
     }
     default:
         return -1;