[PATCH] [sanitizer] Implement TwoLevelByteMap and use it for the internal allocator on 64-bit.

[Dmitry Vyukov]

================
Comment at: lib/sanitizer_common/tests/sanitizer_allocator_test.cc:826
@@ +825,3 @@
+  TestByteMapParam *p = (TestByteMapParam*)param;
+  fprintf(stderr, "Thread %zd %zd\n", p->shard, p->m->size());
+  for (size_t i = p->shard; i < p->m->size(); i += p->num_shards) {
----------------
please remove debugging output


http://llvm-reviews.chandlerc.com/D2259

BRANCH
  svn

ARCANIST PROJECT
  compiler-rt