From 88d64136a6c7af894386adce552694a6030e70ba Mon Sep 17 00:00:00 2001
From: Stefan Frederik <stefan.schippers@gmail.com>
Date: Mon, 22 Nov 2021 21:47:13 +0100
Subject: [PATCH] fix remove_symbols() not first deleting instance .node[]
 fields on instances

---
 src/actions.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/actions.c b/src/actions.c
index 23e8fb86..354e2fc3 100644
--- a/src/actions.c
+++ b/src/actions.c
@@ -525,13 +525,14 @@ void remove_symbols(void)
 {
   int j;
 
+  for(j = 0; j < xctx->instances; j++) { /* must be deleted before symbols are deleted */
+    delete_inst_node(j);
+    xctx->inst[j].ptr = -1; /* clear symbol reference on instanecs */
+  }
   for(j=xctx->symbols-1;j>=0;j--) {
     dbg(2, "remove_symbols(): removing symbol %d\n",j);
     remove_symbol(j);
   }
-  for(j = 0; j < xctx->instances; j++) {
-    xctx->inst[j].ptr = -1; /* clear symbol reference on instanecs */
-  }
   dbg(1, "remove_symbols(): done\n");
 }