# HG changeset patch
# User Bram Moolenaar <Bram@vim.org>
# Date 1589059803 -7200
# Node ID cf2620e7a6aa16abda395257446a221e8c3d139b
# Parent  f36a7f769ba4c27d78514cda62f498ed97f3a996
patch 8.2.0726: Vim9: leaking memory when calling not compiled :def function

Commit: https://github.com/vim/vim/commit/3b6a6eb7b4e0ac5b75dd2518bd27bce2b13298a3
Author: Bram Moolenaar <Bram@vim.org>
Date:   Sat May 9 23:20:20 2020 +0200

    patch 8.2.0726: Vim9: leaking memory when calling not compiled :def function

    Problem:    Vim9: leaking memory when calling not compiled :def function.
    Solution:   Check if function is compiled earlier.

diff --git a/src/version.c b/src/version.c
--- a/src/version.c
+++ b/src/version.c
@@ -747,6 +747,8 @@ static char *(features[]) =
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    726,
+/**/
     725,
 /**/
     724,
diff --git a/src/vim9execute.c b/src/vim9execute.c
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -665,10 +665,6 @@ call_def_function(
 // Like STACK_TV_VAR but use the outer scope
 #define STACK_OUT_TV_VAR(idx) (((typval_T *)ectx.ec_outer_stack->ga_data) + ectx.ec_outer_frame + STACK_FRAME_SIZE + idx)
 
-    CLEAR_FIELD(ectx);
-    ga_init2(&ectx.ec_stack, sizeof(typval_T), 500);
-    if (ga_grow(&ectx.ec_stack, 20) == FAIL)
-	return FAIL;
     {
 	// Check the function was compiled, it is postponed in ex_vim9script().
 	dfunc_T	*dfunc = ((dfunc_T *)def_functions.ga_data)
@@ -676,8 +672,12 @@ call_def_function(
 	if (dfunc->df_instr == NULL)
 	    return FAIL;
     }
+
+    CLEAR_FIELD(ectx);
     ectx.ec_dfunc_idx = ufunc->uf_dfunc_idx;
-
+    ga_init2(&ectx.ec_stack, sizeof(typval_T), 500);
+    if (ga_grow(&ectx.ec_stack, 20) == FAIL)
+	return FAIL;
     ga_init2(&ectx.ec_trystack, sizeof(trycmd_T), 10);
 
     // Put arguments on the stack.