From 301166b11e913f85d09f67af94264268811f23a9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ole=20Andr=C3=A9=20Vadla=20Ravn=C3=A5s?= <oleavr@gmail.com>
Date: Wed, 10 Aug 2016 15:59:56 +0200
Subject: [PATCH] aarch64: Fix handling of variadic closures on iOS

---
 src/aarch64/ffi.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/aarch64/ffi.c b/src/aarch64/ffi.c
index cf33abc2..78328a8b 100644
--- a/src/aarch64/ffi.c
+++ b/src/aarch64/ffi.c
@@ -917,6 +917,15 @@ ffi_closure_SYSV_inner (ffi_cif *cif,
 	default:
 	  abort();
 	}
+
+#if defined (__APPLE__)
+      if (i + 1 == cif->aarch64_nfixedargs)
+	{
+	  state.ngrn = N_X_ARG_REG;
+	  state.nsrn = N_V_ARG_REG;
+	  state.allocating_variadic = 1;
+	}
+#endif
     }
 
   flags = cif->flags;