Revert of [debugger] remove debugger statement support from FCG/CS.

src/assembler.cc

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 707 matching lines @@
 
 #ifdef ENABLE_DISASSEMBLER
 const char* RelocInfo::RelocModeName(RelocInfo::Mode rmode) {
   switch (rmode) {
     case NONE32:
       return "no reloc 32";
     case NONE64:
       return "no reloc 64";
     case EMBEDDED_OBJECT:
       return "embedded object";
+    case DEBUGGER_STATEMENT:
+      return "debugger statement";
     case CODE_TARGET:
       return "code target";
     case CODE_TARGET_WITH_ID:
       return "code target with id";
     case CELL:
       return "property cell";
     case RUNTIME_ENTRY:
       return "runtime entry";
     case COMMENT:
       return "comment";
@@ skipping 87 matching lines @@
 
 #ifdef VERIFY_HEAP
 void RelocInfo::Verify(Isolate* isolate) {
   switch (rmode_) {
     case EMBEDDED_OBJECT:
       Object::VerifyPointer(target_object());
       break;
     case CELL:
       Object::VerifyPointer(target_cell());
       break;
+    case DEBUGGER_STATEMENT:
     case CODE_TARGET_WITH_ID:
     case CODE_TARGET: {
       // convert inline target address to code object
       Address addr = target_address();
       CHECK(addr != NULL);
       // Check that we can find the right code object.
       Code* code = Code::GetCodeFromTargetAddress(addr);
       Object* found = isolate->FindCodeObject(addr);
       CHECK(found->IsCode());
       CHECK(code->address() == HeapObject::cast(found)->address());
@@ skipping 1083 matching lines @@
 
 
 void Assembler::DataAlign(int m) {
   DCHECK(m >= 2 && base::bits::IsPowerOfTwo32(m));
   while ((pc_offset() & (m - 1)) != 0) {
     db(0);
   }
 }
 }  // namespace internal
 }  // namespace v8