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

src/full-codegen/mips/full-codegen-mips.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_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 747 matching lines @@
     Split(eq, a0, Operand(t0), if_true, if_false, NULL);
     __ bind(&skip);
   }
 }
 
 
 void FullCodeGenerator::EmitDebugCheckDeclarationContext(Variable* variable) {
   // The variable in the declaration always resides in the current function
   // 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.
     __ lw(a1, FieldMemOperand(cp, HeapObject::kMapOffset));
     __ LoadRoot(t0, Heap::kWithContextMapRootIndex);
     __ Check(ne, kDeclarationInWithContext,
         a1, Operand(t0));
     __ LoadRoot(t0, Heap::kCatchContextMapRootIndex);
     __ Check(ne, kDeclarationInCatchContext,
         a1, Operand(t0));
   }
 }
@@ skipping 1659 matching lines @@
       __ Push(var->name());
       __ Push(v0);
       __ 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, a1);
-      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.
         __ lw(a2, location);
         __ LoadRoot(t0, Heap::kTheHoleValueRootIndex);
         __ Check(eq, kLetBindingReInitialization, a2, Operand(t0));
       }
       EmitStoreToStackLocalOrContextSlot(var, location);
     }
 
   } else if (var->mode() == CONST_LEGACY && op == Token::INIT) {
     // Const initializers need a write barrier.
@@ skipping 1809 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS