fix divide by zero error on debugging message if trail was empty

git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@71 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
2001-06-08 19:33:16 +00:00 · 2001-06-08 19:33:16 +00:00 · 136a4d4a67
commit 136a4d4a67
parent 835f315727
1 changed files with 6 additions and 5 deletions
--- a/C/heapgc.c
+++ b/C/heapgc.c
@ -1851,6 +1851,7 @@ sweep_trail(choiceptr gc_B, tr_fr_ptr old_TR)
  }
  new_TR = dest;
  if (is_gc_verbose()) {
+    if (old_TR != (tr_fr_ptr)TrailBase)
      YP_fprintf(YP_stderr,
 		 "[GC]       Trail: discarded %d (%ld%%) cells out of %ld\n",
 		 discard_trail_entries,