Removed most of the bogus CompilationInfo constructor calls.

src/compiler/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/code-stubs.h"
 #include "src/compiler.h"
 #include "src/compiler/linkage.h"
 #include "src/compiler/node.h"
 #include "src/compiler/pipeline.h"
 #include "src/scopes.h"
@@ skipping 76 matching lines @@
     // No frame. Retrieve all parameters relative to stack pointer.
     DCHECK(spill_slot < 0);  // Must be a parameter.
     int register_save_area_size = frame->GetRegisterSaveAreaSize();
     int offset = register_save_area_size - (spill_slot + 1) * kPointerSize +
                  kPCOnStackSize + extra;
     return FrameOffset::FromStackPointer(offset);
   }
 }
 
 
-CallDescriptor* Linkage::GetJSCallDescriptor(
-    int parameter_count, CallDescriptor::Flags flags) const {
-  return GetJSCallDescriptor(zone_, false, parameter_count, flags);
-}
-
-
-CallDescriptor* Linkage::GetRuntimeCallDescriptor(
-    Runtime::FunctionId function, int parameter_count,
-    Operator::Properties properties) const {
-  return GetRuntimeCallDescriptor(zone_, function, parameter_count, properties);
-}
-
-
-CallDescriptor* Linkage::GetStubCallDescriptor(
-    const CallInterfaceDescriptor& descriptor, int stack_parameter_count,
-    CallDescriptor::Flags flags, Operator::Properties properties) const {
-  return GetStubCallDescriptor(isolate_, zone_, descriptor,
-                               stack_parameter_count, flags, properties);
-}
-
-
 // static
 bool Linkage::NeedsFrameState(Runtime::FunctionId function) {
   if (!FLAG_turbo_deoptimization) {
     return false;
   }
 
   // Most runtime functions need a FrameState. A few chosen ones that we know
   // not to call into arbitrary JavaScript, not to throw, and not to deoptimize
   // are blacklisted here and can be called without a FrameState.
   switch (function) {
@@ skipping 75 matching lines @@
 
 CallDescriptor* Linkage::GetSimplifiedCDescriptor(Zone* zone,
                                                   const MachineSignature* sig) {
   UNIMPLEMENTED();
   return NULL;
 }
 #endif  // !V8_TURBOFAN_BACKEND
 }
 }
 }  // namespace v8::internal::compiler