diff -purN libffi-3.2.1.git505.orig/src/aarch64/ffi.c libffi-3.2.1.git505/src/aarch64/ffi.c
--- libffi-3.2.1.git505.orig/src/aarch64/ffi.c	2019-08-07 20:57:45.000000000 +0200
+++ libffi-3.2.1.git505/src/aarch64/ffi.c	2019-10-11 08:45:42.702088832 +0200
@@ -815,7 +815,8 @@ ffi_prep_closure_loc (ffi_closure *closu
   #else
   unsigned char *tramp_code = ffi_data_to_code_pointer (tramp);
   #endif
-  ffi_clear_cache (tramp_code, tramp_code + FFI_TRAMPOLINE_SIZE);
+  if (tramp_code != NULL)
+    ffi_clear_cache (tramp_code, tramp_code + FFI_TRAMPOLINE_SIZE);
 #endif
 
   closure->cif = cif;