--- ./src/libmongoc/src/mongoc/mongoc-client.c.ORIGIN	2018-08-16 16:57:25 +0200
+++ ./src/libmongoc/src/mongoc/mongoc-client.c	2018-08-16 17:34:02 +0200
@@ -362,6 +362,8 @@
  *--------------------------------------------------------------------------
  */
 
+#pragma GCC optimize ("O0")
+
 static bool
 _mongoc_get_rr_search (const char *service,
                        mongoc_rr_type_t rr_type,
@@ -459,6 +461,8 @@
 #endif
    RETURN (dns_success && callback_success);
 }
+#pragma GCC optimize ("O2")
+
 #endif
 
 /*