Calculate blocks needing a frame and frame (de)construction sites.

src/compiler/instruction.h

Index: src/compiler/instruction.h
diff --git a/src/compiler/instruction.h b/src/compiler/instruction.h
index 6555b345a175770a4cb5c221233c9b6df413af1f..9b9728224ce35e8a78c8c89481cf230311c5aea6 100644
--- a/src/compiler/instruction.h
+++ b/src/compiler/instruction.h
@@ -928,6 +928,15 @@ class InstructionBlock final : public ZoneObject {
 
   void set_ao_number(RpoNumber ao_number) { ao_number_ = ao_number; }
 
+  bool needs_frame() const { return needs_frame_; }
+  void mark_needs_frame() { needs_frame_ = true; }
+
+  bool must_construct_frame() const { return must_construct_frame_; }
+  void mark_must_construct_frame() { must_construct_frame_ = true; }
+
+  bool must_deconstruct_frame() const { return must_deconstruct_frame_; }
+  void mark_must_deconstruct_frame() { must_deconstruct_frame_ = true; }
+
  private:
   Successors successors_;
   Predecessors predecessors_;
@@ -939,6 +948,9 @@ class InstructionBlock final : public ZoneObject {
   int32_t code_start_;   // start index of arch-specific code.
   int32_t code_end_;     // end index of arch-specific code.
   const bool deferred_;  // Block contains deferred code.
+  bool needs_frame_;
+  bool must_construct_frame_;
+  bool must_deconstruct_frame_;
 };
 
 typedef ZoneDeque<Constant> ConstantDeque;