patch 8.2.0056: execution stack is incomplete and inefficient Commit: https://github.com/vim/vim/commit/1a47ae32cdc19b0fd5a82e19fe5fddf45db1a506 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Dec 29 23:04:25 2019 +0100 patch 8.2.0056: execution stack is incomplete and inefficient Problem: Execution stack is incomplete and inefficient. Solution: Introduce a proper execution stack and use it instead of sourcing_name/sourcing_lnum. Create a string only when used.

--- a/src/kword_test.c
+++ b/src/kword_test.c
@@ -76,6 +76,7 @@ test_isword_funcs_utf8(void)
     int
 main(void)
 {
+    estack_init();
     test_isword_funcs_utf8();
     return 0;
 }