patch 8.2.1704: Vim9: crash in for loop when autoload script has an error
Problem: Vim9: crash in for loop when autoload script has an error.
Solution: Reset suppress_errthrow. Check for NULL list. (closes #6967)
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 2f1e708..42eaab0 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -3353,6 +3353,45 @@
&rtp = save_rtp
enddef
+" This was causing a crash because suppress_errthrow wasn't reset.
+def Test_vim9_autoload_error()
+ let lines =<< trim END
+ vim9script
+ def crash#func()
+ try
+ for x in List()
+ endfor
+ catch
+ endtry
+ g:ok = true
+ enddef
+ fu List()
+ invalid
+ endfu
+ try
+ invalid
+ catch /wontmatch/
+ endtry
+ END
+ call mkdir('Xruntime/autoload', 'p')
+ call writefile(lines, 'Xruntime/autoload/crash.vim')
+
+ # run in a separate Vim to avoid the side effects of assert_fails()
+ lines =<< trim END
+ exe 'set rtp^=' .. getcwd() .. '/Xruntime'
+ call crash#func()
+ call writefile(['ok'], 'Xdidit')
+ qall
+ END
+ writefile(lines, 'Xscript')
+ RunVim([], [], '-S Xscript')
+ assert_equal(['ok'], readfile('Xdidit'))
+
+ delete('Xdidit')
+ delete('Xscript')
+ delete('Xruntime', 'rf')
+enddef
+
def Test_script_var_in_autocmd()
# using a script variable from an autocommand, defined in a :def function in a
# legacy Vim script, cannot check the variable type.