Move BailoutReason and flags computation to post-pass

src/ast.h

Index: src/ast.h
diff --git a/src/ast.h b/src/ast.h
index d7119239c78355de4ac1c97fcbe255847c36d4fe..7d820d7fb5e1ab882ab1622f1e35d0470ca8cccc 100644
--- a/src/ast.h
+++ b/src/ast.h
@@ -3188,17 +3188,9 @@ private:                                                            \
 
 class AstConstructionVisitor BASE_EMBEDDED {
  public:
-  AstConstructionVisitor()
-      : dont_crankshaft_reason_(kNoReason), dont_turbofan_reason_(kNoReason) {}
+  AstConstructionVisitor() {}
 
   AstProperties* ast_properties() { return &properties_; }
-  BailoutReason dont_optimize_reason() {
-    if (dont_turbofan_reason_ != kNoReason) {
-      return dont_turbofan_reason_;
-    } else {
-      return dont_crankshaft_reason_;
-    }
-  }
 
  private:
   template<class> friend class AstNodeFactory;
@@ -3209,14 +3201,6 @@ class AstConstructionVisitor BASE_EMBEDDED {
   AST_NODE_LIST(DEF_VISIT)
 #undef DEF_VISIT
 
-  void add_flag(AstPropertiesFlag flag) { properties_.flags()->Add(flag); }
-  void set_dont_crankshaft_reason(BailoutReason reason) {
-    dont_crankshaft_reason_ = reason;
-  }
-  void set_dont_turbofan_reason(BailoutReason reason) {
-    dont_turbofan_reason_ = reason;
-  }
-
   void add_slot_node(AstNode* slot_node) {
     FeedbackVectorRequirements reqs = slot_node->ComputeFeedbackRequirements();
     if (reqs.slots() > 0) {
@@ -3232,8 +3216,6 @@ class AstConstructionVisitor BASE_EMBEDDED {
   }
 
   AstProperties properties_;
-  BailoutReason dont_crankshaft_reason_;
-  BailoutReason dont_turbofan_reason_;
 };