[interpreter] Make the binary op with Smi bytecode handlers collect type feedback.

src/compiler/bytecode-graph-builder.h

Index: src/compiler/bytecode-graph-builder.h
diff --git a/src/compiler/bytecode-graph-builder.h b/src/compiler/bytecode-graph-builder.h
index 266bfb4a5a873ac2aa911b5e46a347adeb01c743..2f3acc1bcad95aaea3ede0283c90a573bbeaacce 100644
--- a/src/compiler/bytecode-graph-builder.h
+++ b/src/compiler/bytecode-graph-builder.h
@@ -137,11 +137,7 @@ class BytecodeGraphBuilder {
 
   // Helper function to create binary operation hint from the recorded
   // type feedback.
-  BinaryOperationHint GetBinaryOperationHint();
-
-  // Helper function to create an binary operation hint from the recorded
-  // type feedback in Inc/Dec handlers.
-  BinaryOperationHint GetBinaryOperationHintForIncDec();
+  BinaryOperationHint GetBinaryOperationHint(int operand_index);
 
   // Control flow plumbing.
   void BuildJump();
@@ -262,6 +258,10 @@ class BytecodeGraphBuilder {
   // Control nodes that exit the function body.
   ZoneVector<Node*> exit_controls_;
 
+  static int const kBinaryOperationHintIndex = 1;
+  static int const kCountOperationHintIndex = 0;
+  static int const kBinaryOperationSmiHintIndex = 2;
+
   DISALLOW_COPY_AND_ASSIGN(BytecodeGraphBuilder);
 };