Eliminate code duplication in lithium calls to vector-based LoadICs

src/arm64/lithium-codegen-arm64.h

Index: src/arm64/lithium-codegen-arm64.h
diff --git a/src/arm64/lithium-codegen-arm64.h b/src/arm64/lithium-codegen-arm64.h
index 7baa05dc25ce7ecd27563914232590895e22a385..e16d44a3b7707751258ba942fd65a44733b003b0 100644
--- a/src/arm64/lithium-codegen-arm64.h
+++ b/src/arm64/lithium-codegen-arm64.h
@@ -196,6 +196,9 @@ class LCodeGen: public LCodeGenBase {
                     int* offset,
                     AllocationSiteMode mode);
 
+  template <class T>
+  void EmitVectorLoadICRegisters(T* instr);
+
   // Emits optimized code for %_IsString(x).  Preserves input register.
   // Returns the condition on which a final split to
   // true and false label should be made, to optimize fallthrough.