commit f9b2b49663226235f94f08230fe9023caf80a6e9
author Bram Moolenaar <Bram@vim.org> Wed Aug 05 14:34:14 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Wed Aug 05 14:34:14 2020 +0200
tree f34be82de9372deb871b09a572157d7dcfefed6e
parent fdac71c5075062f97f77044e9619fa5c907e0327

patch 8.2.1373: Vim9: no error for assigning to non-existing script var

Problem:    Vim9: no error for assigning to non-existing script var.
Solution:   Check that in Vim9 script the variable was defined. (closes #6630)

src/userfunc.c

diff --git a/src/userfunc.c b/src/userfunc.c
index 43aa146..684a805 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -3508,6 +3508,7 @@
     fp->uf_calls = 0;
     fp->uf_cleared = FALSE;
     fp->uf_script_ctx = current_sctx;
+    fp->uf_script_ctx_version = current_sctx.sc_version;
     fp->uf_script_ctx.sc_lnum += sourcing_lnum_top;
     if (is_export)
     {