Split StringLiteral from Literal.

src/full-codegen.cc

Index: src/full-codegen.cc
diff --git a/src/full-codegen.cc b/src/full-codegen.cc
index 6ae927c9018a16a5462f2448f5ae79bdc3e997a1..d3f99419a510f6a4cb5d3ae803360e357ea43881 100644
--- a/src/full-codegen.cc
+++ b/src/full-codegen.cc
@@ -195,6 +195,14 @@ void BreakableStatementChecker::VisitLiteral(Literal* expr) {
 }
 
 
+void BreakableStatementChecker::VisitStringLiteral(StringLiteral* expr) {
+}
+
+
+void BreakableStatementChecker::VisitNumberLiteral(NumberLiteral* expr) {
+}
+
+
 void BreakableStatementChecker::VisitRegExpLiteral(RegExpLiteral* expr) {
 }
 
@@ -1522,6 +1530,16 @@ void FullCodeGenerator::VisitLiteral(Literal* expr) {
 }
 
 
+void FullCodeGenerator::VisitStringLiteral(StringLiteral* expr) {
+  VisitLiteral(expr);
+}
+
+
+void FullCodeGenerator::VisitNumberLiteral(NumberLiteral* expr) {
+  VisitLiteral(expr);
+}
+
+
 void FullCodeGenerator::VisitFunctionLiteral(FunctionLiteral* expr) {
   Comment cmnt(masm_, "[ FunctionLiteral");