patch 8.2.3162: Vim9: argument types are not checked at compile time Commit: https://github.com/vim/vim/commit/1a71d31bf34b0b2b08517903826004ec6fd440e5 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Thu Jul 15 12:49:58 2021 +0200 patch 8.2.3162: Vim9: argument types are not checked at compile time Problem: Vim9: argument types are not checked at compile time. Solution: Add more type checks. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/8560)

--- a/src/terminal.c
+++ b/src/terminal.c
@@ -5689,6 +5689,11 @@ f_term_getattr(typval_T *argvars, typval
 	{"reverse",   HL_INVERSE},
     };
 
+    if (in_vim9script()
+	    && (check_for_number_arg(argvars, 0) == FAIL
+		|| check_for_string_arg(argvars, 1) == FAIL))
+	return;
+
     attr = tv_get_number(&argvars[0]);
     name = tv_get_string_chk(&argvars[1]);
     if (name == NULL)