From 8cc2f5aed186f8b83bfac240b2a1480bd0c11e4f Mon Sep 17 00:00:00 2001
From: Tim Graham <timograham@gmail.com>
Date: Sat, 25 Mar 2017 08:22:12 -0400
Subject: [1.11.x] Fixed #27956 -- Fixed display of errors in an {% extends %}
 child.

Thanks Ling-Xiao Yang for the report and test, and
Preston Timmons for the fix.

Backport of e643ba8bcf0b1da517cbab689ac157ee031202a3 from master
---
 tests/template_tests/templates/27956_child.html  |  3 +++
 tests/template_tests/templates/27956_parent.html |  5 +++++
 tests/template_tests/tests.py                    | 12 ++++++++++++
 3 files changed, 20 insertions(+)
 create mode 100644 tests/template_tests/templates/27956_child.html
 create mode 100644 tests/template_tests/templates/27956_parent.html

(limited to 'tests')

diff --git a/tests/template_tests/templates/27956_child.html b/tests/template_tests/templates/27956_child.html
new file mode 100644
index 0000000000..ea9aeb2197
--- /dev/null
+++ b/tests/template_tests/templates/27956_child.html
@@ -0,0 +1,3 @@
+{% extends "27956_parent.html" %}
+
+{% block content %}{% endblock %}
diff --git a/tests/template_tests/templates/27956_parent.html b/tests/template_tests/templates/27956_parent.html
new file mode 100644
index 0000000000..dad4fbbfe5
--- /dev/null
+++ b/tests/template_tests/templates/27956_parent.html
@@ -0,0 +1,5 @@
+{% load tag_27584 %}
+
+{% badtag %}{% endbadtag %}
+
+{% block content %}{% endblock %}
diff --git a/tests/template_tests/tests.py b/tests/template_tests/tests.py
index 50ddee6674..4ec724db99 100644
--- a/tests/template_tests/tests.py
+++ b/tests/template_tests/tests.py
@@ -125,6 +125,18 @@ class TemplateTests(SimpleTestCase):
             t.render(Context())
         self.assertEqual(e.exception.template_debug['during'], '{% badtag %}')
 
+    def test_compile_tag_error_27956(self):
+        """Errors in a child of {% extends %} are displayed correctly."""
+        engine = Engine(
+            app_dirs=True,
+            debug=True,
+            libraries={'tag_27584': 'template_tests.templatetags.tag_27584'},
+        )
+        t = engine.get_template('27956_child.html')
+        with self.assertRaises(TemplateSyntaxError) as e:
+            t.render(Context())
+        self.assertEqual(e.exception.template_debug['during'], '{% badtag %}')
+
     def test_super_errors(self):
         """
         #18169 -- NoReverseMatch should not be silence in block.super.
-- 
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