1 For the font in the URL bar. Can try to send upstream. 

     2 

     3 --- mozilla-esr31/gfx/cairo/cairo/src/cairo-xlib-surface.c.orig	2015-06-04 17:42:52.933166699 -0700

     4 +++ mozilla-esr31/gfx/cairo/cairo/src/cairo-xlib-surface.c	2015-06-04 17:42:52.936030831 -0700

     5 @@ -1310,7 +1310,11 @@

     6  		int a, r, g, b;

     7  

     8  		if (image_masks.bpp == 1)

     9 +#ifdef WORDS_BIGENDIAN

    10 +		    in_pixel = !! (((uint8_t*)row)[x/8] & (1 << (7 - (x & 7))));

    11 +#else

    12  		    in_pixel = !! (((uint8_t*)row)[x/8] & (1 << (x & 7)));

    13 +#endif

    14  		else if (image_masks.bpp <= 8)

    15  		    in_pixel = ((uint8_t*)row)[x];

    16  		else if (image_masks.bpp <= 16)