Revert 8122 (stub call asserts) while test failures are investigated.

src/x64/macro-assembler-x64.h

Index: src/x64/macro-assembler-x64.h
===================================================================
--- src/x64/macro-assembler-x64.h	(revision 8124)
+++ src/x64/macro-assembler-x64.h	(working copy)
@@ -29,7 +29,6 @@
 #define V8_X64_MACRO_ASSEMBLER_X64_H_
 
 #include "assembler.h"
-#include "frames.h"
 #include "v8globals.h"
 
 namespace v8 {
@@ -73,7 +72,6 @@
   ScaleFactor scale;
 };
 
-
 // MacroAssembler implements a collection of frequently used macros.
 class MacroAssembler: public Assembler {
  public:
@@ -194,6 +192,15 @@
   void DebugBreak();
 #endif
 
+  // ---------------------------------------------------------------------------
+  // Activation frames
+
+  void EnterInternalFrame() { EnterFrame(StackFrame::INTERNAL); }
+  void LeaveInternalFrame() { LeaveFrame(StackFrame::INTERNAL); }
+
+  void EnterConstructFrame() { EnterFrame(StackFrame::CONSTRUCT); }
+  void LeaveConstructFrame() { LeaveFrame(StackFrame::CONSTRUCT); }
+
   // Enter specific kind of exit frame; either in normal or
   // debug mode. Expects the number of arguments in register rax and
   // sets up the number of arguments in register rdi and the pointer
@@ -1118,18 +1125,11 @@
   bool generating_stub() { return generating_stub_; }
   void set_allow_stub_calls(bool value) { allow_stub_calls_ = value; }
   bool allow_stub_calls() { return allow_stub_calls_; }
-  void set_has_frame(bool value) { has_frame_ = value; }
-  bool has_frame() { return has_frame_; }
-  inline bool AllowThisStubCall(CodeStub* stub);
 
   static int SafepointRegisterStackIndex(Register reg) {
     return SafepointRegisterStackIndex(reg.code());
   }
 
-  // Activation support.
-  void EnterFrame(StackFrame::Type type);
-  void LeaveFrame(StackFrame::Type type);
-
  private:
   // Order general registers are pushed by Pushad.
   // rax, rcx, rdx, rbx, rsi, rdi, r8, r9, r11, r14, r15.
@@ -1139,7 +1139,6 @@
 
   bool generating_stub_;
   bool allow_stub_calls_;
-  bool has_frame_;
   bool root_array_available_;
 
   // Returns a register holding the smi value. The register MUST NOT be
@@ -1163,6 +1162,10 @@
                       const CallWrapper& call_wrapper = NullCallWrapper(),
                       CallKind call_kind = CALL_AS_METHOD);
 
+  // Activation support.
+  void EnterFrame(StackFrame::Type type);
+  void LeaveFrame(StackFrame::Type type);
+
   void EnterExitFramePrologue(bool save_rax);
 
   // Allocates arg_stack_space * kPointerSize memory (not GCed) on the stack