From a18e21b49db261710d1da4ea98c16fc5cd08adaa Mon Sep 17 00:00:00 2001
From: Frank Denis <github@pureftpd.org>
Date: Sun, 31 Dec 2017 01:10:48 +0100
Subject: [PATCH] Use (""::"r"(pnt):"memory") instead of (""::"p"(pnt)) for the
 barrier

---
 src/libsodium/sodium/utils.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libsodium/sodium/utils.c b/src/libsodium/sodium/utils.c
index a176f87a..2e3fcea8 100644
--- a/src/libsodium/sodium/utils.c
+++ b/src/libsodium/sodium/utils.c
@@ -114,7 +114,7 @@ sodium_memzero(void *const pnt, const size_t len)
     memset(pnt, 0, len);
     _sodium_dummy_symbol_to_prevent_memzero_lto(pnt, len);
 # ifdef HAVE_AMD64_ASM
-    __asm__ __volatile__ ("" : : "p"(pnt));
+    __asm__ __volatile__ ("" : : "r"(pnt) : "memory");
 # endif
 #else
     volatile unsigned char *volatile pnt_ =