Parser: Report use counts once per feature

src/parsing/parser.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/parsing/parser.h"
 
 #include "src/api.h"
 #include "src/ast/ast.h"
 #include "src/ast/ast-expression-rewriter.h"
 #include "src/ast/ast-expression-visitor.h"
@@ skipping 5196 matching lines @@
       isolate->StackOverflow();
     } else {
       DCHECK(pending_error_handler_.has_pending_error());
       pending_error_handler_.ThrowPendingError(isolate, script);
     }
   }
 
   // Move statistics to Isolate.
   for (int feature = 0; feature < v8::Isolate::kUseCounterFeatureCount;
        ++feature) {
-    for (int i = 0; i < use_counts_[feature]; ++i) {
+    if (use_counts_[feature] > 0) {
       isolate->CountUsage(v8::Isolate::UseCounterFeature(feature));
     }
   }
   if (scanner_.FoundHtmlComment()) {
     isolate->CountUsage(v8::Isolate::kHtmlComment);
     if (script->line_offset() == 0 && script->column_offset() == 0) {
       isolate->CountUsage(v8::Isolate::kHtmlCommentInExternalScript);
     }
   }
   isolate->counters()->total_preparse_skipped()->Increment(
@@ skipping 1751 matching lines @@
                         try_block, target);
     final_loop = target;
   }
 
   return final_loop;
 }
 
 
 }  // namespace internal
 }  // namespace v8