Teach Scopes whether they will end up being lazily compiled or not

src/ast/ast.cc

Index: src/ast/ast.cc
diff --git a/src/ast/ast.cc b/src/ast/ast.cc
index 6d76ec98f3adc86c65fa01c294cdaabab842fd09..9b26267b4b37005cc9c0b5db7b9dad428e7b8183 100644
--- a/src/ast/ast.cc
+++ b/src/ast/ast.cc
@@ -288,6 +288,13 @@ Token::Value Assignment::binary_op() const {
   return Token::ILLEGAL;
 }
 
+bool FunctionLiteral::ShouldEagerCompile() const {
+  return scope()->ShouldEagerCompile();
+}
+
+void FunctionLiteral::SetShouldEagerCompile() {
+  scope()->SetShouldEagerCompile();
+}
 
 bool FunctionLiteral::AllowsLazyCompilation() {
   return scope()->AllowsLazyCompilation();