[destructuring] Implement parameter pattern matching.

src/arm/full-codegen-arm.cc

Index: src/arm/full-codegen-arm.cc
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc
index f5b90b60bd18e3f18919af3f35bc7a94c4290ccf..797e3c02709b0ec34bcc279bf016d13d42d8e0a1 100644
--- a/src/arm/full-codegen-arm.cc
+++ b/src/arm/full-codegen-arm.cc
@@ -214,7 +214,8 @@ void FullCodeGenerator::Generate() {
     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) ? scope()->receiver() : scope()->parameter_var(i);
       if (var->IsContextSlot()) {
         int parameter_offset = StandardFrameConstants::kCallerSPOffset +
             (num_parameters - 1 - i) * kPointerSize;