Separate Scope into DeclarationScope and Scope

src/crankshaft/arm64/lithium-codegen-arm64.cc

Index: src/crankshaft/arm64/lithium-codegen-arm64.cc
diff --git a/src/crankshaft/arm64/lithium-codegen-arm64.cc b/src/crankshaft/arm64/lithium-codegen-arm64.cc
index ef0debf864f4e9a99bd2edfabf7fb1b094f21434..36ef15aba0d19fc3912cac7e44ff2e5e44aa74af 100644
--- a/src/crankshaft/arm64/lithium-codegen-arm64.cc
+++ b/src/crankshaft/arm64/lithium-codegen-arm64.cc
@@ -607,10 +607,11 @@ void LCodeGen::DoPrologue(LPrologue* instr) {
     __ Mov(cp, x0);
     __ Str(x0, MemOperand(fp, StandardFrameConstants::kContextOffset));
     // Copy any necessary parameters into the context.
-    int num_parameters = scope()->num_parameters();
-    int first_parameter = scope()->has_this_declaration() ? -1 : 0;
+    int num_parameters = info()->scope()->num_parameters();
+    int first_parameter = info()->scope()->has_this_declaration() ? -1 : 0;
     for (int i = first_parameter; i < num_parameters; i++) {
-      Variable* var = (i == -1) ? scope()->receiver() : scope()->parameter(i);
+      Variable* var = (i == -1) ? info()->scope()->receiver()
+                                : info()->scope()->parameter(i);
       if (var->IsContextSlot()) {
         Register value = x0;
         Register scratch = x3;