[destructuring] Implement parameter pattern matching.

src/compiler/ast-graph-builder.cc

Index: src/compiler/ast-graph-builder.cc
diff --git a/src/compiler/ast-graph-builder.cc b/src/compiler/ast-graph-builder.cc
index cf7bbc99a52a8e830c5b3b5d78fd6e8635649402..09f829f33fded05693ed15321329cab6be495d9a 100644
--- a/src/compiler/ast-graph-builder.cc
+++ b/src/compiler/ast-graph-builder.cc
@@ -667,7 +667,7 @@ static BailoutId BeforeId(VariableProxy* proxy) {
 
 static const char* GetDebugParameterName(Zone* zone, Scope* scope, int index) {
 #if DEBUG
-  const AstRawString* name = scope->parameter(index)->raw_name();
+  const AstRawString* name = scope->parameter_var(index)->raw_name();
   if (name && name->length() > 0) {
     char* data = zone->NewArray<char>(name->length() + 1);
     data[name->length()] = 0;
@@ -3054,7 +3054,7 @@ Node* AstGraphBuilder::BuildLocalFunctionContext(Node* context,
   // Copy parameters into context if necessary.
   int num_parameters = scope->num_parameters();
   for (int i = 0; i < num_parameters; i++) {
-    Variable* variable = scope->parameter(i);
+    Variable* variable = scope->parameter_var(i);
     if (!variable->IsContextSlot()) continue;
     // Temporary parameter node. The parameter indices are shifted by 1
     // (receiver is parameter index -1 but environment index 0).