Expose a lower bound of malloc'd memory via heap statistics

src/compiler/js-inlining.cc

 // Copyright 2014 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.
 
 #include "src/compiler/js-inlining.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/ast-numbering.h"
 #include "src/ast/scopes.h"
 #include "src/compiler.h"
@@ skipping 394 matching lines @@
   }
 
   // TODO(turbofan): Inlining into a try-block is not yet supported.
   if (NodeProperties::IsExceptionalCall(node)) {
     TRACE("Not inlining %s into %s because of surrounding try-block\n",
           shared_info->DebugName()->ToCString().get(),
           info_->shared_info()->DebugName()->ToCString().get());
     return NoChange();
   }
 
-  Zone zone;
+  Zone zone(info_->isolate()->allocator());
   ParseInfo parse_info(&zone, function);
   CompilationInfo info(&parse_info);
   if (info_->is_deoptimization_enabled()) info.MarkAsDeoptimizationEnabled();
 
   if (!Compiler::ParseAndAnalyze(info.parse_info())) {
     TRACE("Not inlining %s into %s because parsing failed\n",
           shared_info->DebugName()->ToCString().get(),
           info_->shared_info()->DebugName()->ToCString().get());
     if (info_->isolate()->has_pending_exception()) {
       info_->isolate()->clear_pending_exception();
@@ skipping 128 matching lines @@
         node, frame_state, call.formal_arguments(),
         FrameStateType::kArgumentsAdaptor, shared_info);
   }
 
   return InlineCall(node, new_target, context, frame_state, start, end);
 }
 
 }  // namespace compiler
 }  // namespace internal
 }  // namespace v8