commit b5841b99e678da187b68c21f46d56a608a0dc10c
author Bram Moolenaar <Bram@vim.org> Thu Jul 15 18:09:53 2021 +0200
committer Bram Moolenaar <Bram@vim.org> Thu Jul 15 18:09:53 2021 +0200
tree 8c35638d42821a3a081ccb49ebe22abcb44e7e75
parent 9e60e899ee546a8a35c4cbe0319971719c1839e9

patch 8.2.3166: Vim9: nested autoload call error overruled by "Unknown error"

Problem:    Vim9: nested autoload call error overruled by "Unknown error".
Solution:   Check need_rethrow before giving an "Unknown error".
            (closes #8568)

src/vim9execute.c

diff --git a/src/vim9execute.c b/src/vim9execute.c
index 4124928..b882c4d 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -4737,7 +4737,8 @@
     // Not sure if this is necessary.
     suppress_errthrow = save_suppress_errthrow;
 
-    if (ret != OK && did_emsg_cumul + did_emsg == did_emsg_before)
+    if (ret != OK && did_emsg_cumul + did_emsg == did_emsg_before
+							      && !need_rethrow)
 	semsg(_(e_unknown_error_while_executing_str),
 						   printable_func_name(ufunc));
     funcdepth_restore(orig_funcdepth);