From b0dd45620f1ffdd8814069df091b20e8780e1b3e Mon Sep 17 00:00:00 2001
From: Clifford Yapp <238416+starseeker@users.noreply.github.com>
Date: Tue, 15 Dec 2020 21:06:26 +0000
Subject: [PATCH] Update to latest stepcode

svn:revision:77973
svn:branch:extbuild
svn:account:starseeker
---
 .../ext/stepcode/src/clstepcore/complexSupport.h      | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/other/ext/stepcode/src/clstepcore/complexSupport.h b/src/other/ext/stepcode/src/clstepcore/complexSupport.h
index 00490df2318..860bac36e3a 100644
--- a/src/other/ext/stepcode/src/clstepcore/complexSupport.h
+++ b/src/other/ext/stepcode/src/clstepcore/complexSupport.h
@@ -193,22 +193,22 @@ class SC_CORE_EXPORT EntList
         EntList *firstNot(JoinType);
         EntList *nextNot(JoinType j)
         {
-            return next->firstNot(j);
+            return (next) ? next->firstNot(j) : NULL;
         }
         EntList *firstWanted(MatchType);
         EntList *nextWanted(MatchType mat)
         {
-            return next->firstWanted(mat);
+            return (next) ? next->firstWanted(mat) : NULL;
         }
         EntList *lastNot(JoinType);
         EntList *prevNot(JoinType j)
         {
-            return prev->lastNot(j);
+            return (prev) ? prev->lastNot(j) : NULL;
         }
         EntList *lastWanted(MatchType);
         EntList *prevWanted(MatchType mat)
         {
-            return prev->lastWanted(mat);
+            return (prev) ? prev->lastWanted(mat) : NULL;
         }
 
         JoinType join;
@@ -216,7 +216,8 @@ class SC_CORE_EXPORT EntList
         {
             return (join != SIMPLE);
         }
-        EntList *next, *prev;
+        EntList *next = NULL;
+        EntList *prev = NULL;
 
     protected:
         MatchType viable;