Fixed #21741 -- Fixed render_to_string to stop pushing empty dictionaries to its Context

Thanks to kezabelle for the report and original patch
and to numerodix for his improved patch.

1 files changed, 2 insertions, 0 deletions

diff --git a/tests/template_tests/templates/test_context_stack.html b/tests/template_tests/templates/test_context_stack.html
new file mode 100644
index 0000000000..c5097c5e66
--- /dev/null
+++ b/tests/template_tests/templates/test_context_stack.html
@@ -0,0 +1,2 @@
+{% load custom %}
+{% context_stack_length %}