1 files changed, 9 insertions, 1 deletions
diff --git a/deps/v8/src/compiler/instruction-selector.h b/deps/v8/src/compiler/instruction-selector.h
index 2981f90a1c..65ba8f7c71 100644
--- a/deps/v8/src/compiler/instruction-selector.h
+++ b/deps/v8/src/compiler/instruction-selector.h
@@ -12,6 +12,7 @@
 #include "src/compiler/instruction.h"
 #include "src/compiler/machine-operator.h"
 #include "src/compiler/node.h"
+#include "src/globals.h"
 #include "src/zone/zone-containers.h"
 
 namespace v8 {
@@ -42,7 +43,7 @@ class PushParameter {
 };
 
 // Instruction selection generates an InstructionSequence for a given Schedule.
-class InstructionSelector final {
+class V8_EXPORT_PRIVATE InstructionSelector final {
  public:
   // Forward declarations.
   class Features;
@@ -110,6 +111,9 @@ class InstructionSelector final {
   // ===========================================================================
 
   Instruction* EmitDeoptimize(InstructionCode opcode, InstructionOperand output,
+                              InstructionOperand a, DeoptimizeReason reason,
+                              Node* frame_state);
+  Instruction* EmitDeoptimize(InstructionCode opcode, InstructionOperand output,
                               InstructionOperand a, InstructionOperand b,
                               DeoptimizeReason reason, Node* frame_state);
   Instruction* EmitDeoptimize(InstructionCode opcode, size_t output_count,
@@ -204,6 +208,8 @@ class InstructionSelector final {
   // to the roots register, i.e. if both a root register is available for this
   // compilation unit and the serializer is disabled.
   bool CanAddressRelativeToRootsRegister() const;
+  // Check if we can use the roots register to access GC roots.
+  bool CanUseRootsRegister() const;
 
   Isolate* isolate() const { return sequence()->isolate(); }
 
@@ -344,6 +350,8 @@ class InstructionSelector final {
   }
   bool instruction_selection_failed() { return instruction_selection_failed_; }
 
+  void MarkPairProjectionsAsWord32(Node* node);
+
   // ===========================================================================
 
   Zone* const zone_;