[turbofan] reduce allocations outside of pipeline

test/cctest/compiler/test-linkage.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/v8.h"
 
 #include "src/compiler.h"
 #include "src/zone.h"
 
 #include "src/compiler/common-operator.h"
@@ skipping 27 matching lines @@
       v8::ScriptCompiler::kNoCompileOptions, NOT_NATIVES_CODE);
   return isolate->factory()->NewFunctionFromSharedFunctionInfo(
       shared_function, isolate->native_context());
 }
 
 
 TEST(TestLinkageCreate) {
   InitializedHandleScope handles;
   Handle<JSFunction> function = Compile("a + b");
   CompilationInfoWithZone info(function);
-  Linkage linkage(&info);
+  Linkage linkage(info.zone(), &info);
 }
 
 
 TEST(TestLinkageJSFunctionIncoming) {
   InitializedHandleScope handles;
 
   const char* sources[] = {"(function() { })", "(function(a) { })",
                            "(function(a,b) { })", "(function(a,b,c) { })"};
 
   for (int i = 0; i < 3; i++) {
     i::HandleScope handles(CcTest::i_isolate());
     Handle<JSFunction> function = v8::Utils::OpenHandle(
         *v8::Handle<v8::Function>::Cast(CompileRun(sources[i])));
     CompilationInfoWithZone info(function);
-    Linkage linkage(&info);
+    Linkage linkage(info.zone(), &info);
 
     CallDescriptor* descriptor = linkage.GetIncomingDescriptor();
     CHECK_NE(NULL, descriptor);
 
     CHECK_EQ(1 + i, descriptor->JSParameterCount());
     CHECK_EQ(1, descriptor->ReturnCount());
     CHECK_EQ(Operator::kNoProperties, descriptor->properties());
     CHECK_EQ(true, descriptor->IsJSFunctionCall());
   }
 }
 
 
 TEST(TestLinkageCodeStubIncoming) {
   Isolate* isolate = CcTest::InitIsolateOnce();
   CompilationInfoWithZone info(static_cast<HydrogenCodeStub*>(NULL), isolate);
-  Linkage linkage(&info);
+  Linkage linkage(info.zone(), &info);
   // TODO(titzer): test linkage creation with a bonafide code stub.
   // this just checks current behavior.
   CHECK_EQ(NULL, linkage.GetIncomingDescriptor());
 }
 
 
 TEST(TestLinkageJSCall) {
   HandleAndZoneScope handles;
   Handle<JSFunction> function = Compile("a + c");
   CompilationInfoWithZone info(function);
-  Linkage linkage(&info);
+  Linkage linkage(info.zone(), &info);
 
   for (int i = 0; i < 32; i++) {
     CallDescriptor* descriptor = linkage.GetJSCallDescriptor(i);
     CHECK_NE(NULL, descriptor);
     CHECK_EQ(i, descriptor->JSParameterCount());
     CHECK_EQ(1, descriptor->ReturnCount());
     CHECK_EQ(Operator::kNoProperties, descriptor->properties());
     CHECK_EQ(true, descriptor->IsJSFunctionCall());
   }
 }
 
 
 TEST(TestLinkageRuntimeCall) {
   // TODO(titzer): test linkage creation for outgoing runtime calls.
 }
 
 
 TEST(TestLinkageStubCall) {
   // TODO(titzer): test linkage creation for outgoing stub calls.
 }
 
 
 #endif  // V8_TURBOFAN_TARGET