patch 9.0.0350: :echowindow does not work in a compiled function
Problem: :echowindow does not work in a compiled function.
Solution: Handle the expression at compile time.
diff --git a/src/testdir/test_vim9_script.vim b/src/testdir/test_vim9_script.vim
index 5aec8ff..bdefc87 100644
--- a/src/testdir/test_vim9_script.vim
+++ b/src/testdir/test_vim9_script.vim
@@ -2011,6 +2011,13 @@
# output goes anywhere
enddef
+def Test_echowindow_cmd()
+ var local = 'local'
+ echowindow 'something' local # comment
+ # output goes in message window
+ popup_clear()
+enddef
+
def Test_for_outside_of_function()
var lines =<< trim END
vim9script