Modify allocator_shim to support _aligned_alloc(), _aligned_free().

third_party/jemalloc/chromium/jemalloc.c

 /* -*- Mode: C; tab-width: 8; c-basic-offset: 8 -*- */
 /* vim:set softtabstop=8 shiftwidth=8: */
 /*-
  * Copyright (C) 2006-2008 Jason Evans <jasone@FreeBSD.org>.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 6130 matching lines @@
 #endif
 
 #if defined(DONT_OVERRIDE_LIBC)
 #define malloc(a)       je_malloc(a)
 #define valloc(a)       je_valloc(a)
 #define calloc(a, b)    je_calloc(a, b)
 #define realloc(a, b)   je_realloc(a, b)
 #define free(a)         je_free(a)
 #define _msize(p) je_msize(p)
 #define _recalloc(p, n, s) je_recalloc(p, n, s)
+#define memalign(a, s) je_memalign(a, s)
 #endif
 
 ZONE_INLINE
 void *
 malloc(size_t size)
 {
         void *ret;
 
         if (malloc_init()) {
                 ret = NULL;
@@ skipping 1106 matching lines @@
 
 #elif defined(RTLD_DEEPBIND)
 /*
  * XXX On systems that support RTLD_GROUP or DF_1_GROUP, do their
  * implementations permit similar inconsistencies?  Should STV_SINGLETON
  * visibility be used for interposition where available?
  */
 #  error "Interposing malloc is unsafe on this system without libc malloc hooks."
 #endif