Added more tl_assert() statements.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7754

diff --git a/exp-drd/drd_segment.c b/exp-drd/drd_segment.c
index 3fbed86d06c09243081bc3f36c29d73873554140..8965c987aca53137a0d33bdec189d628ac40bf51 100644 (file)
--- a/exp-drd/drd_segment.c
+++ b/exp-drd/drd_segment.c
@@ -192,7 +192,9 @@ void sg_put(Segment* const sg)
 void sg_merge(const Segment* const sg1, Segment* const sg2)
 {
   tl_assert(sg1);
+  tl_assert(sg1->refcnt == 1);
   tl_assert(sg2);
+  tl_assert(sg2->refcnt == 1);
 
   if (drd_trace_segment)
   {