# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1586704503 -7200
# Node ID 502a6c9b3974235150fd2573e4b844ccdd45e292
# Parent  87ecc4245e93a21a3f122d0d9f4b2b8f93145bc3
patch 8.2.0556: Vim9: memory leak when finding common type

Commit: https://github.com/vim/vim/commit/c5f1ef53c24cc0c9f7b2131609e916f913634feb
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sun Apr 12 17:11:27 2020 +0200

    patch 8.2.0556: Vim9: memory leak when finding common type

    Problem:    Vim9: memory leak when finding common type.
    Solution:   Store allocated memory in type growarray.

diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -739,6 +739,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    556,
+/**/
     555,
 /**/
     554,
diff --git a/src/vim9compile.c b/src/vim9compile.c
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -1823,8 +1823,8 @@ common_type(type_T *type1, type_T *type2
 		*dest = alloc_func_type(common, argcount, type_gap);
 		if (type1->tt_args != NULL && type2->tt_args != NULL)
 		{
-		    (*dest)->tt_args = ALLOC_CLEAR_MULT(type_T *, argcount);
-		    if ((*dest)->tt_args != NULL)
+		    if (func_type_add_arg_types(*dest, argcount,
+							     type_gap) == OK)
 			for (i = 0; i < argcount; ++i)
 			    common_type(type1->tt_args[i], type2->tt_args[i],
 					       &(*dest)->tt_args[i], type_gap);