[stubs] Unify (and optimize) implementation of ToObject.

src/mips64/code-stubs-mips64.cc

Index: src/mips64/code-stubs-mips64.cc
diff --git a/src/mips64/code-stubs-mips64.cc b/src/mips64/code-stubs-mips64.cc
index 494d9474f96a4038e07a51dc6358ac464647cfa3..8b46e4c72f1fc439ba6a937e226a1c270c7c5b28 100644
--- a/src/mips64/code-stubs-mips64.cc
+++ b/src/mips64/code-stubs-mips64.cc
@@ -2714,8 +2714,10 @@ static void EmitSlowCase(MacroAssembler* masm,
 static void EmitWrapCase(MacroAssembler* masm, int argc, Label* cont) {
   // Wrap the receiver and patch it back onto the stack.
   { FrameScope frame_scope(masm, StackFrame::INTERNAL);
-    __ Push(a1, a3);
-    __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
+    __ Push(a1);
+    __ mov(a0, a3);
+    ToObjectStub stub(masm->isolate());
+    __ CallStub(&stub);
     __ pop(a1);
   }
   __ Branch(USE_DELAY_SLOT, cont);