Implement sloppy-mode block-defined functions (Annex B 3.3)

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 52d4a470f6f52955c6c916b3b973017e17a5b05b..99d9f8a945f9b2dcf09a2a3fcb9af6e6050ad302 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -1158,6 +1158,11 @@ void AstGraphBuilder::VisitEmptyStatement(EmptyStatement* stmt) {
 }
 
 
+void AstGraphBuilder::VisitDelegateStatement(DelegateStatement* stmt) {
+  Visit(stmt->statement());
+}
+
+
 void AstGraphBuilder::VisitIfStatement(IfStatement* stmt) {
   IfBuilder compare_if(this);
   VisitForTest(stmt->condition());