# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1623749403 -7200
# Node ID cf4bc18a39312917f00616c0b2b9c4aa3f0c36a4
# Parent  101755874b79581dfdcfc468665accbdf44f8cbe
patch 8.2.3001: Vim9: memory leak when compilation fails

Commit: https://github.com/vim/vim/commit/caf1a2f296499bdcf030aca545a04da65ac210a1
Author: Bram Moolenaar <Bram@vim.org>
Date:   Tue Jun 15 11:27:21 2021 +0200

    patch 8.2.3001: Vim9: memory leak when compilation fails

    Problem:    Vim9: memory leak when compilation fails.
    Solution:   Free the list of variable names.

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 */
 /**/
+    3001,
+/**/
     3000,
 /**/
     2999,
diff --git a/src/vim9compile.c b/src/vim9compile.c
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -9724,8 +9724,10 @@ erret:
 	dfunc_T	*dfunc = ((dfunc_T *)def_functions.ga_data)
 							 + ufunc->uf_dfunc_idx;
 
+	// Compiling aborted, free the generated instructions.
 	clear_instr_ga(instr);
 	VIM_CLEAR(dfunc->df_name);
+	ga_clear_strings(&dfunc->df_var_names);
 
 	// If using the last entry in the table and it was added above, we
 	// might as well remove it.