GDScript: Fix access non-static members in static context

modules/gdscript/tests/scripts/analyzer/features/static_non_static_access.gd

@@ -0,0 +1,75 @@
+@static_unload
+
+static var static_var
+var non_static_var
+
+signal my_signal()
+
+static func static_func():
+	pass
+
+func non_static_func():
+	pass
+
+static var test_static_var_lambda = func ():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+var test_non_static_var_lambda = func ():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+	non_static_func()
+	print(non_static_func)
+	non_static_var = 1
+	print(non_static_var)
+	my_signal.emit()
+	print(my_signal)
+
+static var test_static_var_setter:
+	set(_value):
+		static_func()
+		print(static_func)
+		static_var = 1
+		print(static_var)
+
+var test_non_static_var_setter:
+	set(_value):
+		static_func()
+		print(static_func)
+		static_var = 1
+		print(static_var)
+
+		non_static_func()
+		print(non_static_func)
+		non_static_var = 1
+		print(non_static_var)
+		my_signal.emit()
+		print(my_signal)
+
+static func test_static_func():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+func test_non_static_func():
+	static_func()
+	print(static_func)
+	static_var = 1
+	print(static_var)
+
+	non_static_func()
+	print(non_static_func)
+	non_static_var = 1
+	print(non_static_var)
+	my_signal.emit()
+	print(my_signal)
+
+func test():
+	test_static_var_lambda = null
+	test_non_static_var_lambda = null

modules/gdscript/tests/scripts/analyzer/features/static_non_static_access.out

@@ -0,0 +1 @@
+GDTEST_OK