X-Git-Url: http://jaekl.net/gitweb/?a=blobdiff_plain;f=prod%2Fnet%2Fjaekl%2Fcfb%2Fanalyze%2FDelta.java;h=fc8581253f4982ee7f125ed4d7042e6338236489;hb=a4a577abc3f9b2b1147caafd1cb39fa8c2622cd4;hp=865b5fce57fdbf7c9b21807616f4132ffd226752;hpb=1b35159cf2ff8d86b037f7d442f7b1f4c8e3b2f3;p=cfb.git

diff --git a/prod/net/jaekl/cfb/analyze/Delta.java b/prod/net/jaekl/cfb/analyze/Delta.java
index 865b5fc..fc85812 100644
--- a/prod/net/jaekl/cfb/analyze/Delta.java
+++ b/prod/net/jaekl/cfb/analyze/Delta.java
@@ -18,7 +18,12 @@ public class Delta {
 	
 	public Delta(Analysis before, Analysis after)
 	{
-		m_earlier = new Run(before);
+		if (null == before) {
+			m_earlier = null;
+		}
+		else {
+			m_earlier = new Run(before);
+		}
 		m_later = new Run(after);
 		
 		m_fixed = new HashSet<BugInstance>();