Return Object* instead of MaybeObject* from runtime calls.

src/arm64/code-stubs-arm64.cc

Index: src/arm64/code-stubs-arm64.cc
diff --git a/src/arm64/code-stubs-arm64.cc b/src/arm64/code-stubs-arm64.cc
index a42f5cd34da87677a2f8fd4d59c417c82fbb4ee5..b7b75b853a2fb6864b833068bb06f47584caaa71 100644
--- a/src/arm64/code-stubs-arm64.cc
+++ b/src/arm64/code-stubs-arm64.cc
@@ -1882,7 +1882,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
            isolate)));
   }
   __ Str(code_entry, MemOperand(x10));
-  __ Mov(x0, Operand(reinterpret_cast<int64_t>(Failure::Exception())));
+  __ LoadRoot(x0, Heap::kExceptionRootIndex);
   __ B(&exit);
 
   // Invoke: Link this frame into the handler chain.  There's only one