Replace CollectVariables with locals(), update callsites to walk locals instead

src/full-codegen/mips/full-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 1245 matching lines @@
       __ Branch(done);
     }
   }
 }
 
 
 void FullCodeGenerator::EmitGlobalVariableLoad(VariableProxy* proxy,
                                                TypeofMode typeof_mode) {
 #ifdef DEBUG
   Variable* var = proxy->var();
-  DCHECK(var->IsUnallocatedOrGlobalSlot() ||
+  DCHECK(var->IsUnallocated() ||
          (var->IsLookupSlot() && var->mode() == DYNAMIC_GLOBAL));
 #endif
   __ li(LoadGlobalDescriptor::SlotRegister(),
         Operand(SmiFromSlot(proxy->VariableFeedbackSlot())));
   CallLoadGlobalIC(typeof_mode);
 }
 
 
 void FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy,
                                          TypeofMode typeof_mode) {
@@ skipping 1766 matching lines @@
         CallRuntimeWithOperands(is_strict(language_mode())
                                     ? Runtime::kDeleteProperty_Strict
                                     : Runtime::kDeleteProperty_Sloppy);
         context()->Plug(v0);
       } else if (proxy != NULL) {
         Variable* var = proxy->var();
         // Delete of an unqualified identifier is disallowed in strict mode but
         // "delete this" is allowed.
         bool is_this = var->is_this();
         DCHECK(is_sloppy(language_mode()) || is_this);
-        if (var->IsUnallocatedOrGlobalSlot()) {
+        if (var->IsUnallocated()) {
           __ LoadGlobalObject(a2);
           __ li(a1, Operand(var->name()));
           __ Push(a2, a1);
           __ CallRuntime(Runtime::kDeleteProperty_Sloppy);
           context()->Plug(v0);
         } else if (var->IsStackAllocated() || var->IsContextSlot()) {
           // Result of deleting non-global, non-dynamic variables is false.
           // The subexpression does not have side effects.
           context()->Plug(is_this);
         } else {
@@ skipping 693 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OnStackReplacement()->entry()));
   return ON_STACK_REPLACEMENT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS