Initialize CodeStubInterfaceDescriptor in the constructor.

src/arm64/code-stubs-arm64.cc

 // Copyright 2013 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"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 93 matching lines @@
 }
 
 
 #define __ ACCESS_MASM(masm)
 
 
 void HydrogenCodeStub::GenerateLightweightMiss(MacroAssembler* masm) {
   // Update the static counter each time a new code stub is generated.
   isolate()->counters()->code_stubs()->Increment();
 
-  CodeStubInterfaceDescriptor descriptor;
-  InitializeInterfaceDescriptor(&descriptor);
+  CodeStubInterfaceDescriptor descriptor(this);
   int param_count = descriptor.GetEnvironmentParameterCount();
   {
     // Call the runtime system in a fresh internal frame.
     FrameScope scope(masm, StackFrame::INTERNAL);
     DCHECK((param_count == 0) ||
            x0.Is(descriptor.GetEnvironmentParameterRegister(param_count - 1)));
 
     // Push arguments
     MacroAssembler::PushPopQueue queue(masm);
     for (int i = 0; i < param_count; ++i) {
@@ skipping 4929 matching lines @@
                               MemOperand(fp, 6 * kPointerSize),
                               NULL);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64