From 0aaa930a5c1d400e69082eb60ccac47cc88f9859 Mon Sep 17 00:00:00 2001
From: Jean-Marc Lasgouttes <lasgouttes@lyx.org>
Date: Fri, 18 Mar 2016 18:03:22 +0100
Subject: [PATCH] Do not assert when cursor is deeper than anchor

This works around bug #9917 and might give us an occasion of obtaining a recipe for reproducing it.
---
 src/Cursor.cpp | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/Cursor.cpp b/src/Cursor.cpp
index 8d94ddf5de..26aeabf1d5 100644
--- a/src/Cursor.cpp
+++ b/src/Cursor.cpp
@@ -1046,8 +1046,11 @@ CursorSlice Cursor::normalAnchor() const
 	// LASSERT: There have been several bugs around this code, that seem
 	// to involve failures to reset the anchor. We can at least not crash
 	// in release mode by resetting it ourselves.
-	LASSERT(anchor_.depth() >= depth(),
-		const_cast<DocIterator &>(anchor_) = *this);
+	if (anchor_.depth() < depth()) {
+		LYXERR0("Cursor is deeper than anchor. PLEASE REPORT.\nCursor is"
+		        << *this);
+		const_cast<DocIterator &>(anchor_) = *this;
+	}
 
 	CursorSlice normal = anchor_[depth() - 1];
 	if (depth() < anchor_.depth() && top() <= normal) {
-- 
2.39.2