From ef89dc5345274cd9a6a3e94f61b8eb985af6e27a Mon Sep 17 00:00:00 2001
From: Julian Dolby <juliandolby@gmail.com>
Date: Wed, 4 Jul 2018 15:46:06 -0400
Subject: [PATCH] a little tolerance for sloppy models

---
 .../src/com/ibm/wala/util/ref/ReferenceCleanser.java      | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/com.ibm.wala.core/src/com/ibm/wala/util/ref/ReferenceCleanser.java b/com.ibm.wala.core/src/com/ibm/wala/util/ref/ReferenceCleanser.java
index cfaca6617..ee80ffe99 100644
--- a/com.ibm.wala.core/src/com/ibm/wala/util/ref/ReferenceCleanser.java
+++ b/com.ibm.wala.core/src/com/ibm/wala/util/ref/ReferenceCleanser.java
@@ -79,9 +79,11 @@ public class ReferenceCleanser {
           ShrikeClass c = (ShrikeClass) klass;
           c.clearSoftCaches();
         } else {
-          for (IMethod m : klass.getDeclaredMethods()) {
-            if (m instanceof ShrikeCTMethod) {
-              ((ShrikeCTMethod)m).clearCaches();
+          if (klass.getDeclaredMethods() != null) {
+            for (IMethod m : klass.getDeclaredMethods()) {
+              if (m instanceof ShrikeCTMethod) {
+                ((ShrikeCTMethod)m).clearCaches();
+              }
             }
           }
         }