patch 9.0.1149: class members may be garbage collected
Problem: Class members may be garbage collected.
Solution: Mark class members as being in use.
diff --git a/src/testdir/test_vim9_class.vim b/src/testdir/test_vim9_class.vim
index a55671b..b98b96f 100644
--- a/src/testdir/test_vim9_class.vim
+++ b/src/testdir/test_vim9_class.vim
@@ -493,6 +493,23 @@
v9.CheckScriptFailure(lines, 'E1341: Variable already declared in the class: count')
enddef
+func Test_class_garbagecollect()
+ let lines =<< trim END
+ vim9script
+
+ class Point
+ this.p = [2, 3]
+ static pl = ['a', 'b']
+ static pd = {a: 'a', b: 'b'}
+ endclass
+
+ echo Point.pl Point.pd
+ call test_garbagecollect_now()
+ echo Point.pl Point.pd
+ END
+ call v9.CheckScriptSuccess(lines)
+endfunc
+
def Test_class_function()
var lines =<< trim END
vim9script