MIPS64: Prepare additonal code for turbofan landing.

src/mips64/deoptimizer-mips64.cc

Index: src/mips64/deoptimizer-mips64.cc
diff --git a/src/mips64/deoptimizer-mips64.cc b/src/mips64/deoptimizer-mips64.cc
index 2550b765b3ede8d77dfc5ba372f2ed4e6aef72dc..f903f465655ae943fcbcd09629e9591433699b6b 100644
--- a/src/mips64/deoptimizer-mips64.cc
+++ b/src/mips64/deoptimizer-mips64.cc
@@ -101,9 +101,8 @@ void Deoptimizer::SetPlatformCompiledStubRegisters(
   ExternalReference xref(&function, ExternalReference::BUILTIN_CALL, isolate_);
   intptr_t handler = reinterpret_cast<intptr_t>(xref.address());
   int params = descriptor->GetHandlerParameterCount();
-  output_frame->SetRegister(s0.code(), params);
-  output_frame->SetRegister(s1.code(), (params - 1) * kPointerSize);
-  output_frame->SetRegister(s2.code(), handler);
+  output_frame->SetRegister(a0.code(), params);
+  output_frame->SetRegister(a1.code(), handler);
 }