diff -ur libffi-3.2.1/src/aarch64/ffi.c libffi-3.2.1+iPhone/src/aarch64/ffi.c
--- libffi-3.2.1/src/aarch64/ffi.c	2014-11-12 01:57:29.000000000 -1000
+++ libffi-3.2.1+iPhone/src/aarch64/ffi.c	2018-08-05 09:19:35.000000000 -1000
@@ -960,7 +960,7 @@
    descriptors, invokes the wrapped function, then marshalls the return
    value back into the call context.  */
 
-void FFI_HIDDEN
+void
 ffi_closure_SYSV_inner (ffi_closure *closure, struct call_context *context,
 			void *stack)
 {