MIPS: Fix MacroAssembler::AssertFunction()

src/mips64/macro-assembler-mips64.cc

Index: src/mips64/macro-assembler-mips64.cc
diff --git a/src/mips64/macro-assembler-mips64.cc b/src/mips64/macro-assembler-mips64.cc
index d1f8bf396e2dc93ca5eb71fb59f33101a4f30b14..602cb54f3c787ece26faeb32ab16c3398154234b 100644
--- a/src/mips64/macro-assembler-mips64.cc
+++ b/src/mips64/macro-assembler-mips64.cc
@@ -5378,10 +5378,8 @@ void MacroAssembler::AssertFunction(Register object) {
     STATIC_ASSERT(kSmiTag == 0);
     SmiTst(object, t0);
     Check(ne, kOperandIsASmiAndNotAFunction, t0, Operand(zero_reg));
-    push(object);
-    GetObjectType(object, object, object);
-    pop(object);
-    Check(eq, kOperandIsNotAFunction, object, Operand(JS_FUNCTION_TYPE));
+    GetObjectType(object, t0, t0);
+    Check(eq, kOperandIsNotAFunction, t0, Operand(JS_FUNCTION_TYPE));
   }
 }