[turbofan] Introduce node regions for protection from scheduling.

src/compiler/instruction-selector.h

Index: src/compiler/instruction-selector.h
diff --git a/src/compiler/instruction-selector.h b/src/compiler/instruction-selector.h
index bf8e1b33538a30701f37fe8b3b42d804faee8c87..8b68affaf50a33b68a9912f93791186110980678 100644
--- a/src/compiler/instruction-selector.h
+++ b/src/compiler/instruction-selector.h
@@ -200,7 +200,7 @@ class InstructionSelector final {
   MACHINE_OP_LIST(DECLARE_GENERATOR)
 #undef DECLARE_GENERATOR
 
-  void VisitFinish(Node* node);
+  void VisitFinishRegion(Node* node);
   void VisitParameter(Node* node);
   void VisitIfException(Node* node);
   void VisitOsrValue(Node* node);