diff --git a/gfx/cairo/cairo/src/cairo-xlib-surface.c b/gfx/cairo/cairo/src/cairo-xlib-surface.c
--- a/gfx/cairo/cairo/src/cairo-xlib-surface.c
+++ b/gfx/cairo/cairo/src/cairo-xlib-surface.c
@@ -4806,30 +4806,30 @@ static cairo_int_status_t
     }
 
     X_DEBUG ((display->display, "show_glyphs (dst=%x)", (unsigned int) dst->drawable));
 
     if (clip_region != NULL &&
 	cairo_region_num_rectangles (clip_region) == 1)
     {
 	cairo_rectangle_int_t glyph_extents;
-	const cairo_rectangle_int_t *clip_extents;
+	cairo_rectangle_int_t clip_extents;
 
 	/* Can we do without the clip?
 	 * Around 50% of the time the clip is redundant (firefox).
 	 */
 	_cairo_scaled_font_glyph_approximate_extents (scaled_font,
 						      glyphs, num_glyphs,
 						      &glyph_extents);
 
-	clip_extents = &clip->path->extents;
-	if (clip_extents->x <= glyph_extents.x &&
-	    clip_extents->y <= glyph_extents.y &&
-	    clip_extents->x + clip_extents->width  >= glyph_extents.x + glyph_extents.width &&
-	    clip_extents->y + clip_extents->height >= glyph_extents.y + glyph_extents.height)
+	cairo_region_get_extents(clip_region, &clip_extents);
+	if (clip_extents.x <= glyph_extents.x &&
+	    clip_extents.y <= glyph_extents.y &&
+	    clip_extents.x + clip_extents.width  >= glyph_extents.x + glyph_extents.width &&
+	    clip_extents.y + clip_extents.height >= glyph_extents.y + glyph_extents.height)
 	{
 	    clip_region = NULL;
 	}
     }
 
     status = _cairo_xlib_surface_set_clip_region (dst, clip_region);
     if (unlikely (status))
         goto BAIL0;