patch 7.4.2139
Problem: :delfunction causes illegal memory access.
Solution: Correct logic when deciding to free a function.
diff --git a/src/userfunc.c b/src/userfunc.c
index a9dc4e8..b742046 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -2711,7 +2711,7 @@
* Numbered functions and lambdas snould be kept if the refcount is
* one or more. */
if (fp->uf_refcount > (isdigit(fp->uf_name[0])
- || fp->uf_name[0] == '<') ? 0 : 1)
+ || fp->uf_name[0] == '<' ? 0 : 1))
{
/* Function is still referenced somewhere. Don't free it but
* do remove it from the hashtable. */