commit 6797966dfc0219313886be55767e53d5a388b5c5
author Bram Moolenaar <Bram@vim.org> Sat Jun 20 22:50:47 2020 +0200
committer Bram Moolenaar <Bram@vim.org> Sat Jun 20 22:50:47 2020 +0200
tree 251b9958824d03269e599f8f35db3c38f03d7416
parent 0cb5bcf5836de83f7d64fb01d3ce708caacaf66c

patch 8.2.1024: Vim9: no error for using "let g:var = val"

Problem:    Vim9: no error for using "let g:var = val".
Solution:   Add an error.

src/userfunc.c

diff --git a/src/userfunc.c b/src/userfunc.c
index 97c8f87..8a1b9ed 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -3325,6 +3325,9 @@
 
     if (eap->cmdidx == CMD_def)
 	set_function_type(fp);
+    else if (fp->uf_script_ctx.sc_version == SCRIPT_VERSION_VIM9)
+	// :func does not use Vim9 script syntax, even in a Vim9 script file
+	fp->uf_script_ctx.sc_version = SCRIPT_VERSION_MAX;
 
     goto ret_free;