Added an additional tl_assert() statement.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11130

diff --git a/drd/drd_semaphore.c b/drd/drd_semaphore.c
index 77c34c99ec24394678201424d3c996705599ed67..1cb03a570a411ade21bd7011595c5abdafc2f3ff 100644 (file)
--- a/drd/drd_semaphore.c
+++ b/drd/drd_semaphore.c
@@ -337,6 +337,7 @@ void DRD_(semaphore_pre_wait)(const Addr semaphore)
 {
    struct semaphore_info* p;
 
+   tl_assert(semaphore < semaphore + 1);
    p = drd_semaphore_get_or_allocate(semaphore);
    tl_assert(p);
    p->waiters++;