# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1608822903 -3600
# Node ID 1d11e3adbe52b3e8b527583491b4d05d7ea2799f
# Parent  2e18dcd91c7b7a7ea063d7a31d62a0283459689c
patch 8.2.2205: Vim9: memory leak when parsing lambda fails

Commit: https://github.com/vim/vim/commit/6dd41b1d575e8859238144899600e3cbb412c79b
Author: Bram Moolenaar <Bram@vim.org>
Date:   Thu Dec 24 16:06:00 2020 +0100

    patch 8.2.2205: Vim9: memory leak when parsing lambda fails

    Problem:    Vim9: memory leak when parsing lambda fails.
    Solution:   Clear growarrays.

diff --git a/src/userfunc.c b/src/userfunc.c
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -523,7 +523,11 @@ get_lambda_tv(
 	    types_optional ? &argtypes : NULL, types_optional,
 						 NULL, NULL, TRUE, NULL, NULL);
     if (ret == FAIL || skip_arrow(s, equal_arrow) == NULL)
+    {
+	if (types_optional)
+	    ga_clear_strings(&argtypes);
 	return NOTDONE;
+    }
 
     // Parse the arguments again.
     if (evaluate)
@@ -535,7 +539,11 @@ get_lambda_tv(
 	    types_optional ? &argtypes : NULL, types_optional,
 					    &varargs, NULL, FALSE, NULL, NULL);
     if (ret == FAIL || (*arg = skip_arrow(*arg, equal_arrow)) == NULL)
+    {
+	if (types_optional)
+	    ga_clear_strings(&argtypes);
 	return NOTDONE;
+    }
 
     // Set up a flag for checking local variables and arguments.
     if (evaluate)
diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -751,6 +751,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2205,
+/**/
     2204,
 /**/
     2203,