MIPS: Initialize CodeStubInterfaceDescriptor in the constructor.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 7a0335707a358d7d9af7bef7633835bfa5e38a74..c349f6b1412656f558879a0557589c314929537f 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -122,8 +122,7 @@ 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.