Remove in-loop tracking for call ICs.

src/code-stubs.h

Index: src/code-stubs.h
diff --git a/src/code-stubs.h b/src/code-stubs.h
index 726533c705e480e8c74ee8b62b80c45641a88bf2..64c89b93d13d2a4f0621cd0c084d7bea757776a8 100644
--- a/src/code-stubs.h
+++ b/src/code-stubs.h
@@ -168,10 +168,6 @@ class CodeStub BASE_EMBEDDED {
   virtual Major MajorKey() = 0;
   virtual int MinorKey() = 0;
 
-  // The CallFunctionStub needs to override this so it can encode whether a
-  // lazily generated function should be fully optimized or not.
-  virtual InLoopFlag InLoop() { return NOT_IN_LOOP; }
-
   // BinaryOpStub needs to override this.
   virtual int GetCodeKind();
 
@@ -646,8 +642,8 @@ class RegExpConstructResultStub: public CodeStub {
 
 class CallFunctionStub: public CodeStub {
  public:
-  CallFunctionStub(int argc, InLoopFlag in_loop, CallFunctionFlags flags)
-      : argc_(argc), in_loop_(in_loop), flags_(flags) { }
+  CallFunctionStub(int argc, CallFunctionFlags flags)
+      : argc_(argc), flags_(flags) { }
 
   void Generate(MacroAssembler* masm);
 
@@ -657,26 +653,20 @@ class CallFunctionStub: public CodeStub {
 
  private:
   int argc_;
-  InLoopFlag in_loop_;
   CallFunctionFlags flags_;
 
   virtual void PrintName(StringStream* stream);
 
   // Minor key encoding in 32 bits with Bitfield <Type, shift, size>.
-  class InLoopBits: public BitField<InLoopFlag, 0, 1> {};
-  class FlagBits: public BitField<CallFunctionFlags, 1, 1> {};
-  class ArgcBits: public BitField<int, 2, 32 - 2> {};
+  class FlagBits: public BitField<CallFunctionFlags, 0, 1> {};
+  class ArgcBits: public BitField<unsigned, 1, 32 - 1> {};
 
   Major MajorKey() { return CallFunction; }
   int MinorKey() {
     // Encode the parameters in a unique 32 bit value.
-    return InLoopBits::encode(in_loop_)
-           | FlagBits::encode(flags_)
-           | ArgcBits::encode(argc_);
+    return FlagBits::encode(flags_) | ArgcBits::encode(argc_);
   }
 
-  InLoopFlag InLoop() { return in_loop_; }
-
   bool ReceiverMightBeImplicit() {
     return (flags_ & RECEIVER_MIGHT_BE_IMPLICIT) != 0;
   }