RFC: Switch to ast ids (instead of positions) for type feedback.

src/full-codegen.h

Index: src/full-codegen.h
diff --git a/src/full-codegen.h b/src/full-codegen.h
index 8d9fe2d3322f7cd57f5c91395debf5cb965e342f..9b0769c6906a7a555e6a6f69f2e3aa465e0a6c7a 100644
--- a/src/full-codegen.h
+++ b/src/full-codegen.h
@@ -441,40 +441,41 @@ class FullCodeGenerator: public AstVisitor {
 
   // Apply the compound assignment operator. Expects the left operand on top
   // of the stack and the right one in the accumulator.
-  void EmitBinaryOp(Token::Value op,
+  void EmitBinaryOp(BinaryOperation* expr,
+                    Token::Value op,
                     OverwriteMode mode);
 
   // Helper functions for generating inlined smi code for certain
   // binary operations.
-  void EmitInlineSmiBinaryOp(Expression* expr,
+  void EmitInlineSmiBinaryOp(BinaryOperation* expr,
                              Token::Value op,
                              OverwriteMode mode,
                              Expression* left,
                              Expression* right,
                              ConstantOperand constant);
 
-  void EmitConstantSmiBinaryOp(Expression* expr,
+  void EmitConstantSmiBinaryOp(BinaryOperation* expr,
                                Token::Value op,
                                OverwriteMode mode,
                                bool left_is_constant_smi,
                                Smi* value);
 
-  void EmitConstantSmiBitOp(Expression* expr,
+  void EmitConstantSmiBitOp(BinaryOperation* expr,
                             Token::Value op,
                             OverwriteMode mode,
                             Smi* value);
 
-  void EmitConstantSmiShiftOp(Expression* expr,
+  void EmitConstantSmiShiftOp(BinaryOperation* expr,
                               Token::Value op,
                               OverwriteMode mode,
                               Smi* value);
 
-  void EmitConstantSmiAdd(Expression* expr,
+  void EmitConstantSmiAdd(BinaryOperation* expr,
                           OverwriteMode mode,
                           bool left_is_constant_smi,
                           Smi* value);
 
-  void EmitConstantSmiSub(Expression* expr,
+  void EmitConstantSmiSub(BinaryOperation* expr,
                           OverwriteMode mode,
                           bool left_is_constant_smi,
                           Smi* value);
@@ -531,7 +532,9 @@ class FullCodeGenerator: public AstVisitor {
   static Register context_register();
 
   // Helper for calling an IC stub.
-  void EmitCallIC(Handle<Code> ic, RelocInfo::Mode mode);
+  void EmitCallIC(Handle<Code> ic,
+                  RelocInfo::Mode mode,
+                  AstId id = kNoAstId);
 
   // Set fields in the stack frame. Offsets are the frame pointer relative
   // offsets defined in, e.g., StandardFrameConstants.
@@ -551,7 +554,7 @@ class FullCodeGenerator: public AstVisitor {
   void VisitForTypeofValue(Expression* expr);
 
   struct BailoutEntry {
-    unsigned id;
+    AstId id;
     unsigned pc_and_state;
   };