From 6e07076fd094afc8c9c8ad8f08453e7882294592 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Sun, 14 Oct 2018 22:22:45 -0700
Subject: [PATCH] [blob] Fix UBSan error

---
 src/hb-blob.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb-blob.cc b/src/hb-blob.cc
index c1ed0f2a7..edee67300 100644
--- a/src/hb-blob.cc
+++ b/src/hb-blob.cc
@@ -507,8 +507,9 @@ struct hb_mapped_file_t
 
 #if (defined(HAVE_MMAP) || defined(_WIN32) || defined(__CYGWIN__)) && !defined(HB_NO_MMAP)
 static void
-_hb_mapped_file_destroy (hb_mapped_file_t *file)
+_hb_mapped_file_destroy (void *file_)
 {
+  hb_mapped_file_t *file = (hb_mapped_file_t *) file_;
 #ifdef HAVE_MMAP
   munmap (file->contents, file->length);
 #elif defined(_WIN32) || defined(__CYGWIN__)