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

src/full-codegen/full-codegen.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.
 
 #include "src/full-codegen/full-codegen.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/ast-numbering.h"
 #include "src/ast/prettyprinter.h"
 #include "src/ast/scopeinfo.h"
@@ skipping 147 matching lines @@
 bool FullCodeGenerator::MustCreateArrayLiteralWithRuntime(
     ArrayLiteral* expr) const {
   // TODO(rossberg): Teach strong mode to FastCloneShallowArrayStub.
   return expr->depth() > 1 || expr->is_strong() ||
          expr->values()->length() > JSArray::kInitialMaxFastElementArray;
 }
 
 
 void FullCodeGenerator::Initialize() {
   InitializeAstVisitor(info_->isolate());
-  // The generation of debug code must match between the snapshot code and the
-  // code that is generated later.  This is assumed by the debugger when it is
-  // calculating PC offsets after generating a debug version of code.  Therefore
-  // we disable the production of debug code in the full compiler if we are
-  // either generating a snapshot or we booted from a snapshot.
-  generate_debug_code_ = FLAG_debug_code && !masm_->serializer_enabled() &&
-                         !info_->isolate()->snapshot_available();
-  masm_->set_emit_debug_code(generate_debug_code_);
+  masm_->set_emit_debug_code(FLAG_debug_code);
   masm_->set_predictable_code_size(true);
 }
 
 
 void FullCodeGenerator::PrepareForBailout(Expression* node, State state) {
   PrepareForBailoutForId(node->id(), state);
 }
 
 
 void FullCodeGenerator::CallLoadIC(TypeofMode typeof_mode,
@@ skipping 1605 matching lines @@
   return var->mode() == CONST_LEGACY || var->scope()->is_nonlinear() ||
          var->initializer_position() >= proxy->position();
 }
 
 
 #undef __
 
 
 }  // namespace internal
 }  // namespace v8