Adding smi cache

src/parsing/parser.cc

Index: src/parsing/parser.cc
diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index 92822d477aacff987d06f3f74fd987e57232f069..10c9f01998f046a04316e89bc7e2a4be13f1af2c 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -502,7 +502,7 @@ Literal* Parser::ExpressionFromLiteral(Token::Value token, int pos) {
     case Token::FALSE_LITERAL:
       return factory()->NewBooleanLiteral(false, pos);
     case Token::SMI: {
-      int value = scanner()->smi_value();
+      uint32_t value = scanner()->smi_value();
       return factory()->NewSmiLiteral(value, pos);
     }
     case Token::NUMBER: {
@@ -3921,9 +3921,9 @@ Expression* Parser::CloseTemplateLiteral(TemplateLiteralState* state, int start,
             const_cast<ZoneList<Expression*>*>(raw_strings), raw_idx, pos),
         zone());
 
-    // Ensure hash is suitable as a Smi value
+    // Truncate hash to Smi-range.
     Smi* hash_obj = Smi::cast(Internals::IntToSmi(static_cast<int>(hash)));
-    args->Add(factory()->NewSmiLiteral(hash_obj->value(), pos), zone());
+    args->Add(factory()->NewNumberLiteral(hash_obj->value(), pos), zone());
 
     Expression* call_site = factory()->NewCallRuntime(
         Context::GET_TEMPLATE_CALL_SITE_INDEX, args, start);