From 89228ccb9a81b728bc9955082c17c68c848c50c4 Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Mon, 22 Jul 2019 07:07:37 -0400
Subject: [PATCH] Fix warning on IBM compilers

Fixes https://github.com/harfbuzz/harfbuzz/issues/1852
---
 src/hb.hh | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/hb.hh b/src/hb.hh
index 0790de2fd..8dcd5aa88 100644
--- a/src/hb.hh
+++ b/src/hb.hh
@@ -318,7 +318,8 @@ extern "C" void  hb_free_impl(void *ptr);
 #  define HB_FALLTHROUGH /* FALLTHROUGH */
 #endif
 
-#ifdef __clang__
+/* https://github.com/harfbuzz/harfbuzz/issues/1852 */
+#if defined(__clang__) && !(defined(_AIX) && (defined(__IBMCPP__) || defined(__ibmxl__)))
 /* Disable certain sanitizer errors. */
 /* https://github.com/harfbuzz/harfbuzz/issues/1247 */
 #define HB_NO_SANITIZE_SIGNED_INTEGER_OVERFLOW __attribute__((no_sanitize("signed-integer-overflow")))