Treat SSA transformation special, as we may have to bailout.

We forgot to bailout when we found a non-natural loop (on which
our optimizations don't work).

Change-Id: I11976b5af4c98f4f29267a74c74d34b5ad81e20c
diff --git a/compiler/optimizing/find_loops_test.cc b/compiler/optimizing/find_loops_test.cc
index c36b143..82fe03c 100644
--- a/compiler/optimizing/find_loops_test.cc
+++ b/compiler/optimizing/find_loops_test.cc
@@ -32,7 +32,7 @@
   const DexFile::CodeItem* item = reinterpret_cast<const DexFile::CodeItem*>(data);
   HGraph* graph = builder.BuildGraph(*item);
   graph->BuildDominatorTree();
-  graph->FindNaturalLoops();
+  graph->AnalyzeNaturalLoops();
   return graph;
 }