commit 75a1a9415b9c207de5a29b25c0d1949c6c9c5c61
author Bram Moolenaar <Bram@vim.org> Thu Jun 20 03:45:36 2019 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Jun 20 03:45:36 2019 +0200
tree 470a0887aed4e52e342edbca555e0bec1b85af99
parent a3fce62c911c204ae144b55018f6dc9295088850

patch 8.1.1575: callbacks may be garbage collected

Problem:    Callbacks may be garbage collected.
Solution:   Set reference in callbacks. (Ozaki Kiichi, closes #4564)

src/eval.c

diff --git a/src/eval.c b/src/eval.c
index 43866e6..085e7d7 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -5678,6 +5678,9 @@
     /* v: vars */
     abort = abort || set_ref_in_ht(&vimvarht, copyID, NULL);
 
+    // callbacks in buffers
+    abort = abort || set_ref_in_buffers(copyID);
+
 #ifdef FEAT_LUA
     abort = abort || set_ref_in_lua(copyID);
 #endif
@@ -5710,6 +5713,10 @@
     abort = abort || set_ref_in_term(copyID);
 #endif
 
+#ifdef FEAT_TEXT_PROP
+    abort = abort || set_ref_in_popups(copyID);
+#endif
+
     if (!abort)
     {
 	/*