--- memory/mozjemalloc/jemalloc.c.orig 2016-03-21 19:00:39.971125884 -0600 +++ memory/mozjemalloc/jemalloc.c 2016-03-21 18:59:22.474081051 -0600 @@ -1089,7 +1089,7 @@ * controlling the malloc behavior are defined as compile-time constants * for best performance and cannot be altered at runtime. */ -#if !defined(__ia64__) && !defined(__sparc__) && !defined(__mips__) +#if !defined(__ia64__) && !defined(__sparc__) && !defined(__mips__) && !defined(__aarch64__) #define MALLOC_STATIC_SIZES 1 #endif