Subject: Cherrypicked the new test textDisp-8.13 from core-8-5-branch. This test (and all the other tests) pass.

From: fvogel <[email-masked]>
Date: Sun, 7 Feb 2016 13:34:02 +0000

---
 tests/textDisp.test | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tests/textDisp.test b/tests/textDisp.test
index ac3aee0..532caf4 100644
--- a/tests/textDisp.test
+++ b/tests/textDisp.test
@@ -1191,6 +1191,14 @@ test textDisp-8.12 {TkTextChanged, moving the insert cursor redraws only past an
     # because during (b) findDLine cannot return the display line the
     # cursor is in since this display line was just unlinked in (a).
 } {{8.0 9.0} {8.0 12.0} {8.0 12.0} {3.0 8.0} {2.0 3.0}}
+test textDisp-8.13 {TkTextChanged, used to crash, see [06c1433906]} {
+    .t delete 1.0 end
+    .t insert 1.0 \nLine1\nLine2\n
+    update
+    .t insert 3.0 ""
+    .t delete 1.0 2.0
+    update idletasks
+} {}
 
 test textDisp-9.1 {TkTextRedrawTag} {
     .t configure -wrap char
-- 
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