Build fast literals in hydrogen.

src/x64/lithium-x64.h

Index: src/x64/lithium-x64.h
diff --git a/src/x64/lithium-x64.h b/src/x64/lithium-x64.h
index 6ec89fc75a214a36da2e264ca4c878ce9078a019..3185d782e9fe5e5ddeaf97b2377a798d66dc084b 100644
--- a/src/x64/lithium-x64.h
+++ b/src/x64/lithium-x64.h
@@ -97,7 +97,6 @@ class LCodeGen;
   V(DoubleToI)                                  \
   V(DummyUse)                                   \
   V(ElementsKind)                               \
-  V(FastLiteral)                                \
   V(FixedArrayBaseLength)                       \
   V(MapEnumLength)                              \
   V(FunctionLiteral)                            \
@@ -2267,13 +2266,6 @@ class LAllocate: public LTemplateInstruction<1, 1, 1> {
 };
 
 
-class LFastLiteral: public LTemplateInstruction<1, 0, 0> {
- public:
-  DECLARE_CONCRETE_INSTRUCTION(FastLiteral, "fast-literal")
-  DECLARE_HYDROGEN_ACCESSOR(FastLiteral)
-};
-
-
 class LArrayLiteral: public LTemplateInstruction<1, 0, 0> {
  public:
   DECLARE_CONCRETE_INSTRUCTION(ArrayLiteral, "array-literal")