Relaxed parameter types a bit.

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 56 matching lines @@
     CHECK_EQ(1 + i, static_cast<int>(descriptor->JSParameterCount()));
     CHECK_EQ(1, static_cast<int>(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);
+  CompilationInfoWithZone info(static_cast<CodeStub*>(NULL), isolate);
   Linkage linkage(info.zone(), &info);
   // TODO(titzer): test linkage creation with a bonafide code stub.
   // this just checks current behavior.
   CHECK(!linkage.GetIncomingDescriptor());
 }
 
 
 TEST(TestLinkageJSCall) {
   HandleAndZoneScope handles;
   Handle<JSFunction> function = Compile("a + c");
@@ skipping 16 matching lines @@
   // TODO(titzer): test linkage creation for outgoing runtime calls.
 }
 
 
 TEST(TestLinkageStubCall) {
   // TODO(titzer): test linkage creation for outgoing stub calls.
 }
 
 
 #endif  // V8_TURBOFAN_TARGET