Build live-in, live-out and kill sets for each block.

This information will be used when computing live ranges of
instructions.

Change-Id: I345ee833c1ccb4a8e725c7976453f6d58d350d74
diff --git a/compiler/optimizing/code_generator.h b/compiler/optimizing/code_generator.h
index 74cbccc..aafd801 100644
--- a/compiler/optimizing/code_generator.h
+++ b/compiler/optimizing/code_generator.h
@@ -354,7 +354,7 @@
         pc_infos_(graph->GetArena(), 32),
         blocked_registers_(static_cast<bool*>(
             graph->GetArena()->Alloc(number_of_registers * sizeof(bool), kArenaAllocData))) {
-    block_labels_.SetSize(graph->GetBlocks()->Size());
+    block_labels_.SetSize(graph->GetBlocks().Size());
   }
   ~CodeGenerator() { }