From 4ee711f21389066fa157961feed17692fc16bf8e Mon Sep 17 00:00:00 2001
From: Bram Moolenaar <Bram@vim.org>
Date: Wed, 23 Sep 2020 18:51:11 +0200
Subject: [PATCH] patch 8.2.1733: Vim9: memory leaks when using nested function

Problem:    Vim9: memory leaks when using nested function.
Solution:   Free function when compilation fails.
---
 src/version.c     | 2 ++
 src/vim9compile.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/src/version.c b/src/version.c
index e3d61eb99..033a34b10 100644
--- a/src/version.c
+++ b/src/version.c
@@ -750,6 +750,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    1733,
 /**/
     1732,
 /**/
diff --git a/src/vim9compile.c b/src/vim9compile.c
index 06ee2f5a8..2b93dea82 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -4408,7 +4408,10 @@ compile_nested_function(exarg_T *eap, cctx_T *cctx)
 	return eap->skip ? (char_u *)"" : NULL;
     if (ufunc->uf_def_status == UF_TO_BE_COMPILED
 	    && compile_def_function(ufunc, TRUE, cctx) == FAIL)
+    {
+	func_ptr_unref(ufunc);
 	return NULL;
+    }
 
     if (is_global)
     {
-- 
2.50.1