[es6] Parameter scopes for sloppy eval

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index e7725799233cbb63136c4bc73473c440d7463f95..11dc456e3dba721637e06a9283906a6db530255c 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -1139,7 +1139,7 @@ void AstGraphBuilder::VisitBlock(Block* stmt) {
     VisitStatements(stmt->statements());
   } else {
     // Visit declarations and statements in a block scope.
-    if (stmt->scope()->ContextLocalCount() > 0) {
+    if (stmt->scope()->NeedsContext()) {
       Node* context = BuildLocalBlockContext(stmt->scope());
       ContextScope scope(this, stmt->scope(), context);
       VisitDeclarations(stmt->scope()->declarations());