[fullcodegen] Lift restriction on --debug-code flag.

src/full-codegen/x87/full-codegen-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 695 matching lines @@
     __ cmp(eax, isolate()->factory()->true_value());
     Split(equal, if_true, if_false, NULL);
     __ bind(&skip);
   }
 }
 
 
 void FullCodeGenerator::EmitDebugCheckDeclarationContext(Variable* variable) {
   // The variable in the declaration always resides in the current context.
   DCHECK_EQ(0, scope()->ContextChainLength(variable->scope()));
-  if (generate_debug_code_) {
+  if (FLAG_debug_code) {
     // Check that we're not inside a with or catch context.
     __ mov(ebx, FieldOperand(esi, HeapObject::kMapOffset));
     __ cmp(ebx, isolate()->factory()->with_context_map());
     __ Check(not_equal, kDeclarationInWithContext);
     __ cmp(ebx, isolate()->factory()->catch_context_map());
     __ Check(not_equal, kDeclarationInCatchContext);
   }
 }
 
 
@@ skipping 1612 matching lines @@
       __ Push(Immediate(var->name()));
       __ Push(eax);
       __ CallRuntime(is_strict(language_mode())
                          ? Runtime::kStoreLookupSlot_Strict
                          : Runtime::kStoreLookupSlot_Sloppy);
     } else {
       // Assignment to var or initializing assignment to let/const in harmony
       // mode.
       DCHECK(var->IsStackAllocated() || var->IsContextSlot());
       MemOperand location = VarOperand(var, ecx);
-      if (generate_debug_code_ && var->mode() == LET && op == Token::INIT) {
+      if (FLAG_debug_code && var->mode() == LET && op == Token::INIT) {
         // Check for an uninitialized let binding.
         __ mov(edx, location);
         __ cmp(edx, isolate()->factory()->the_hole_value());
         __ Check(equal, kLetBindingReInitialization);
       }
       EmitStoreToStackLocalOrContextSlot(var, location);
     }
 
   } else if (var->mode() == CONST_LEGACY && op == Token::INIT) {
     // Const initializers need a write barrier.
@@ skipping 1790 matching lines @@
             Assembler::target_address_at(call_target_address,
                                          unoptimized_code));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87