Fix GCC warning in heap-profile-table.cc.

third_party/tcmalloc/chromium/src/heap-profile-table.cc

 // Copyright (c) 2006, 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 501 matching lines @@
                                           const DumpMarkedArgs& args) {
   if (v->mark() != args.mark)
     return;
   Bucket b;
   memset(&b, 0, sizeof(b));
   b.allocs = 1;
   b.alloc_size = v->bytes;
   b.depth = v->bucket()->depth;
   b.stack = v->bucket()->stack;
   char addr[16];
-  snprintf(addr, 16, "0x%08" PRIxPTR, ptr);
+  snprintf(addr, 16, "0x%08" PRIxPTR, (uintptr_t)ptr);

[jochen (gone - plz use gerrit), 2015/06/17 09:48:09]

please use reinterpret_cast<intptr_t>

[Thiemo Nagel, 2015/06/17 11:22:46]

Just out of curiosity: Why do you prefer intptr_t over uintptr_t?

   char buf[1024];
   int len = UnparseBucket(b, buf, 0, sizeof(buf), addr, NULL);
   RawWrite(args.fd, buf, len);
 }
 
 inline
 void HeapProfileTable::AllocationAddressesIterator(
     const void* ptr,
     AllocValue* v,
     const AllocationAddressIteratorArgs& args) {
@@ skipping 212 matching lines @@
                                               char* unused) {
   // Perhaps also log the allocation stack trace (unsymbolized)
   // on this line in case somebody finds it useful.
   RAW_LOG(ERROR, "leaked %" PRIuS " byte object %p", v->bytes, ptr);
 }
 
 void HeapProfileTable::Snapshot::ReportIndividualObjects() {
   char unused;
   map_.Iterate(ReportObject, &unused);
 }