[turbofan] Add support for eager/soft deoptimization reasons.

test/unittests/compiler/instruction-selector-unittest.cc

Index: test/unittests/compiler/instruction-selector-unittest.cc
diff --git a/test/unittests/compiler/instruction-selector-unittest.cc b/test/unittests/compiler/instruction-selector-unittest.cc
index 936a94ee6b60ec569a48903c5f8e6c409fdf6f15..d2953159fc5adf47763db98bf194f50484e214bf 100644
--- a/test/unittests/compiler/instruction-selector-unittest.cc
+++ b/test/unittests/compiler/instruction-selector-unittest.cc
@@ -102,9 +102,9 @@ InstructionSelectorTest::Stream InstructionSelectorTest::StreamBuilder::Build(
       s.references_.insert(virtual_register);
     }
   }
-  for (int i = 0; i < sequence.GetFrameStateDescriptorCount(); i++) {
-    s.deoptimization_entries_.push_back(sequence.GetFrameStateDescriptor(
-        InstructionSequence::StateId::FromInt(i)));
+  for (int i = 0; i < sequence.GetDeoptimizationEntryCount(); i++) {
+    s.deoptimization_entries_.push_back(
+        sequence.GetDeoptimizationEntry(i).descriptor());
   }
   return s;
 }