patch 8.2.3175: Vim9: using illegal pointer with nested lambdas. Commit: https://github.com/vim/vim/commit/c6ba2f9dde6d01c8ab356c239c2259f7d83652a4 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jul 18 13:42:29 2021 +0200 patch 8.2.3175: Vim9: using illegal pointer with nested lambdas. Problem: Vim9: using illegal pointer with inline function inside a lambda. Solution: Clear eval_tofree_cmdline when advancing to the next line. (closes #8578)

--- a/src/eval.c
+++ b/src/eval.c
@@ -2177,6 +2177,11 @@ eval_next_line(evalarg_T *evalarg)
 	vim_free(evalarg->eval_tofree);
 	evalarg->eval_tofree = line;
     }
+
+    // Advanced to the next line, "arg" no longer points into the previous
+    // line.
+    VIM_CLEAR(evalarg->eval_tofree_cmdline);
+
     return skipwhite(line);
 }