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

src/typing-asm.cc

Index: src/typing-asm.cc
diff --git a/src/typing-asm.cc b/src/typing-asm.cc
index a8d0fbc738a8ea4d1abb4dea41f3ba1e0a8f1817..abbef8ead324f02d65d5d4d033dae59b7f20f64f 100644
--- a/src/typing-asm.cc
+++ b/src/typing-asm.cc
@@ -266,6 +266,11 @@ void AsmTyper::VisitExpressionStatement(ExpressionStatement* stmt) {
 void AsmTyper::VisitEmptyStatement(EmptyStatement* stmt) {}
 
 
+void AsmTyper::VisitDelegateStatement(DelegateStatement* stmt) {
+  Visit(stmt->statement());
+}
+
+
 void AsmTyper::VisitEmptyParentheses(EmptyParentheses* expr) { UNREACHABLE(); }