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Check if mouse_face_overlay was deleted (Bug#35273)

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* src/xdisp.c (note_mouse_highlight): Check if the mouse_face_overlay
actually points to a buffer, before calling
mouse_face_overlay_overlaps on it.
This commit is contained in:
Noam Postavsky 2019-04-27 15:22:11 -04:00
parent 531c74e249
commit 7cb5364ef5
1 changed files with 3 additions and 1 deletions
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2
src/xdisp.c
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@ -31526,6 +31526,8 @@ note_mouse_highlight (struct frame *f, int x, int y)
is currently hidden to avoid Bug#30519. */ is currently hidden to avoid Bug#30519. */
|| (!hlinfo->mouse_face_hidden || (!hlinfo->mouse_face_hidden
&& OVERLAYP (hlinfo->mouse_face_overlay) && OVERLAYP (hlinfo->mouse_face_overlay)
/* It's possible the overlay was deleted (Bug#35273). */
&& XMARKER (OVERLAY_START (hlinfo->mouse_face_overlay))->buffer
&& mouse_face_overlay_overlaps (hlinfo->mouse_face_overlay))) && mouse_face_overlay_overlaps (hlinfo->mouse_face_overlay)))
{ {
/* Find the highest priority overlay with a mouse-face. */ /* Find the highest priority overlay with a mouse-face. */