commit 4ee711f21389066fa157961feed17692fc16bf8e
author Bram Moolenaar <Bram@vim.org> Wed Sep 23 18:51:11 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Sep 23 18:51:11 2020 +0200
tree e02911ce60d4dd8d3f82e0ded8bda1fa6068520c
parent 6bf1b52ba2816dffdbd0d994320abfb1586bf666

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/vim9compile.c

diff --git a/src/vim9compile.c b/src/vim9compile.c
index 06ee2f5..2b93dea 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -4408,7 +4408,10 @@
 	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)
     {