patch 8.2.2741: Vim9: Partial call does not check right arguments Commit: https://github.com/vim/vim/commit/1088b69451c739c698cf4c2003c2b994458ad18b Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 9 22:12:44 2021 +0200 patch 8.2.2741: Vim9: Partial call does not check right arguments Problem: Vim9: Partial call does not check right arguments. Solution: Adjust the offset for whether the partial is before or after the arguments. (closes #8091)

--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -1969,7 +1969,7 @@ generate_PCALL(
 
 		for (i = 0; i < argcount; ++i)
 		{
-		    int	    offset = -argcount + i - 1;
+		    int	    offset = -argcount + i - (at_top ? 0 : 1);
 		    type_T *actual = ((type_T **)stack->ga_data)[
 						       stack->ga_len + offset];
 		    type_T *expected;