Build fast literals in hydrogen.

src/x64/lithium-x64.cc

Index: src/x64/lithium-x64.cc
diff --git a/src/x64/lithium-x64.cc b/src/x64/lithium-x64.cc
index 16248ee1792d1cbc76ec5df1d47393f7b968c79f..3ae4b4ed68ca06c7efb31c5011eb39488acf9923 100644
--- a/src/x64/lithium-x64.cc
+++ b/src/x64/lithium-x64.cc
@@ -2229,11 +2229,6 @@ LInstruction* LChunkBuilder::DoAllocate(HAllocate* instr) {
 }
 
 
-LInstruction* LChunkBuilder::DoFastLiteral(HFastLiteral* instr) {
-  return MarkAsCall(DefineFixed(new(zone()) LFastLiteral, rax), instr);
-}
-
-
 LInstruction* LChunkBuilder::DoArrayLiteral(HArrayLiteral* instr) {
   return MarkAsCall(DefineFixed(new(zone()) LArrayLiteral, rax), instr);
 }