Merge google-perftools r109 (the current contents of third_party/tcmalloc/vendor)

third_party/tcmalloc/chromium/src/tests/tcmalloc_large_unittest.cc

 // Copyright (c) 2005, Google Inc.
 // All rights reserved.
 // 
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 // 
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 // ---
 // Author: Michael Chastain
 //
 // This is a unit test for large allocations in malloc and friends.
 // "Large" means "so large that they overflow the address space".
 // For 32 bits, this means allocations near 2^32 bytes and 2^31 bytes.
 // For 64 bits, this means allocations near 2^64 bytes and 2^63 bytes.
 
-#include <stddef.h>
-#include <stdlib.h>
+#include <stddef.h>                     // for size_t, NULL
+#include <stdlib.h>                     // for malloc, free, realloc
 #include <stdio.h>
-#include <set>
+#include <set>                          // for set, etc
 
-#include "base/logging.h"
+#include "base/logging.h"               // for operator<<, CHECK, etc
 
 using std::set;
 
 // Alloc a size that should always fail.
 
 void TryAllocExpectFail(size_t size) {
   void* p1 = malloc(size);
   CHECK(p1 == NULL);
 
   void* p2 = malloc(1);
@@ skipping 74 matching lines @@
   static const size_t kHalfPlusMinusTimes = 64;
   const size_t half = (zero - 2) / 2 + 1;
   for ( size_t i = 0; i < kHalfPlusMinusTimes; ++i) {
     TryAllocMightFail(half - i);
     TryAllocMightFail(half + i);
   }
 
   printf("PASS\n");
   return 0;
 }