Minor optimization.

git-svn-id: svn://svn.valgrind.org/valgrind/trunk@7751 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/exp-drd/drd_thread.c b/exp-drd/drd_thread.c
index 62eb0f3..001fd4d 100644
--- a/exp-drd/drd_thread.c
+++ b/exp-drd/drd_thread.c
@@ -416,7 +416,7 @@
 {
   tl_assert(0 <= tid && tid < DRD_N_THREADS
             && tid != DRD_INVALID_THREADID);
-  tl_assert(sane_ThreadInfo(&s_threadinfo[tid]));
+  //tl_assert(sane_ThreadInfo(&s_threadinfo[tid]));
 
   if (sg->prev)
     sg->prev->next = sg->next;
@@ -427,7 +427,8 @@
   if (sg == s_threadinfo[tid].last)
     s_threadinfo[tid].last = sg->prev;
   sg_put(sg);
-  tl_assert(sane_ThreadInfo(&s_threadinfo[tid]));
+
+  //tl_assert(sane_ThreadInfo(&s_threadinfo[tid]));
 }
 
 VectorClock* thread_get_vc(const DrdThreadId tid)