From 39721a322368af22327bf4255924931dadc6924d Mon Sep 17 00:00:00 2001
From: John Regehr <regehr@cs.utah.edu>
Date: Thu, 18 Sep 2014 09:24:13 -0600
Subject: [PATCH] apply Markus's suggested patch to stop C-Reduce when size of
 reduced testcase reaches zero

---
 creduce/creduce.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/creduce/creduce.in b/creduce/creduce.in
index f50f77c5..510eec16 100644
--- a/creduce/creduce.in
+++ b/creduce/creduce.in
@@ -330,6 +330,9 @@ sub delta_pass ($) {
 	my $tmpdir = make_tmpdir();
 	chdir $tmpdir or die;
 	my $tmpfn = File::Spec->rel2abs($orig_tmpfn);
+        if (-s $toreduce_best == 0) {
+            die "filesize reached zero";
+        }
 	File::Copy::copy($toreduce_best,$tmpfn) or die;
 	# creating the variant is done in the parent, it's only
 	# testing it that we parallelize