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

src/hydrogen.cc

Index: src/hydrogen.cc
diff --git a/src/hydrogen.cc b/src/hydrogen.cc
index 79a9d5e35b3c6742fb7ef622ad77c2730ba41c5e..379ee7f4cb61562a8ff89bb0dffb7cd2d55ed3f3 100644
--- a/src/hydrogen.cc
+++ b/src/hydrogen.cc
@@ -4789,6 +4789,12 @@ void HOptimizedGraphBuilder::VisitEmptyStatement(EmptyStatement* stmt) {
 }
 
 
+void HOptimizedGraphBuilder::VisitSloppyBlockFunctionStatement(
+    SloppyBlockFunctionStatement* stmt) {
+  Visit(stmt->statement());
+}
+
+
 void HOptimizedGraphBuilder::VisitIfStatement(IfStatement* stmt) {
   DCHECK(!HasStackOverflow());
   DCHECK(current_block() != NULL);