Hi,

I'm experiencing a reproducible crash in vim when using nerdtree.

I start vim, open a file with nerdtree, hide the tree with nerdtreetoggle and
open a split window. This leads to either an infinite loop or a crash in this
portion of window.c:4080

        for (wp = tp->tp_firstwin; wp != NULL; wp = wp->w_next)
            if (wp == win)
                return tp;

vim still uses the nerdtree window as the firstwin even though it has been
removed. I'm currently using this workaround:

--- a/src/window.c      Mon Jul 01 22:03:04 2013 +0200
+++ b/src/window.c      Tue Jul 02 12:19:14 2013 +0200
@@ -4651,15 +4651,18 @@
 {
     if (wp->w_prev != NULL)
        wp->w_prev->w_next = wp->w_next;
-    else if (tp == NULL)
+    else if (tp == NULL) {
        firstwin = wp->w_next;
+        curtab->tp_firstwin = firstwin;
+    }
     else
        tp->tp_firstwin = wp->w_next;
     if (wp->w_next != NULL)
        wp->w_next->w_prev = wp->w_prev;
-    else if (tp == NULL)
+    else if (tp == NULL) {
        lastwin = wp->w_prev;
-    else
+        curtab->tp_lastwin = lastwin;
+    } else
        tp->tp_lastwin = wp->w_prev;
 }

I hope that is information is useful.

Kind regards,
raichoo

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