Update from https://crrev.com/316786

third_party/harfbuzz-ng/src/hb-shaper.cc

 /*
  * Copyright © 2012  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
@@ skipping 22 matching lines @@
 #define HB_SHAPER_IMPLEMENT(name) {#name, _hb_##name##_shape},
 #include "hb-shaper-list.hh"
 #undef HB_SHAPER_IMPLEMENT
 };
 
 
 /* Thread-safe, lock-free, shapers */
 
 static const hb_shaper_pair_t *static_shapers;
 
-static inline
+#ifdef HB_USE_ATEXIT
+static
 void free_static_shapers (void)
 {
   if (unlikely (static_shapers != all_shapers))
     free ((void *) static_shapers);
 }
+#endif
 
 const hb_shaper_pair_t *
 _hb_shapers_get (void)
 {
 retry:
   hb_shaper_pair_t *shapers = (hb_shaper_pair_t *) hb_atomic_ptr_get (&static_shapers);
 
   if (unlikely (!shapers))
   {
     char *env = getenv ("HB_SHAPER_LIST");
@@ skipping 41 matching lines @@
       goto retry;
     }
 
 #ifdef HB_USE_ATEXIT
     atexit (free_static_shapers); /* First person registers atexit() callback. */
 #endif
   }
 
   return shapers;
 }