Refactor bailout reasons and disable optimization in more cases.

src/compiler/pipeline.cc

Index: src/compiler/pipeline.cc
diff --git a/src/compiler/pipeline.cc b/src/compiler/pipeline.cc
index 31d53e44ee327680c41de747d84fadfc4f65e150..9889b6a030263faa6f63b393f5fed994319ad269 100644
--- a/src/compiler/pipeline.cc
+++ b/src/compiler/pipeline.cc
@@ -386,12 +386,12 @@ Handle<Code> Pipeline::GenerateCode(Linkage* linkage, Graph* graph,
   {
     int node_count = graph->NodeCount();
     if (node_count > UnallocatedOperand::kMaxVirtualRegisters) {
-      linkage->info()->set_bailout_reason(kNotEnoughVirtualRegistersForValues);
+      linkage->info()->AbortOptimization(kNotEnoughVirtualRegistersForValues);
       return Handle<Code>::null();
     }
     RegisterAllocator allocator(&sequence);
     if (!allocator.Allocate()) {
-      linkage->info()->set_bailout_reason(kNotEnoughVirtualRegistersRegalloc);
+      linkage->info()->AbortOptimization(kNotEnoughVirtualRegistersRegalloc);
       return Handle<Code>::null();
     }
   }