Index: src/os_unix.c
==================================================================
--- src/os_unix.c
+++ src/os_unix.c
@@ -5792,11 +5792,11 @@
     p->pUnused->fd = fd;
     p->pUnused->flags = flags;
   }
 
   if( isDelete ){
-    p->szFile = 0;
+    assert( p->szFile==0 );
 #if OS_VXWORKS
     zPath = zName;
 #else
     osUnlink(zName);
 #endif