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/linearize_test.cc b/compiler/optimizing/linearize_test.cc
index c49cf7e..28ca5e8 100644
--- a/compiler/optimizing/linearize_test.cc
+++ b/compiler/optimizing/linearize_test.cc
@@ -44,7 +44,7 @@
 
   graph->BuildDominatorTree();
   graph->TransformToSSA();
-  graph->FindNaturalLoops();
+  graph->AnalyzeNaturalLoops();
 
   x86::CodeGeneratorX86 codegen(graph);
   SsaLivenessAnalysis liveness(*graph, &codegen);