commit 8e2730a315b8b06192f5fc822dc218dbb3cff7ae
author Bram Moolenaar <Bram@vim.org> Wed Jul 08 22:01:49 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Jul 08 22:01:49 2020 +0200
tree 6ed5abaddd5816210eb4b5220f1749bbc87dcdf2
parent 6110e79a5872dd6c5529f909d1bd670e3325927b

patch 8.2.1161: Vim9: using freed memory

Problem:    Vim9: using freed memory.
Solution:   Put pointer back in evalarg instead of freeing it.

src/vim9compile.c

diff --git a/src/vim9compile.c b/src/vim9compile.c
index c0e4674..941309f 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -3113,6 +3113,8 @@
     // Compile it into instructions.
     compile_def_function(ufunc, TRUE, cctx);
 
+    clear_evalarg(&evalarg, NULL);
+
     if (ufunc->uf_def_status == UF_COMPILED)
 	return generate_FUNCREF(cctx, ufunc->uf_dfunc_idx);
     return FAIL;