r194095 - Produce direct calls instead of alias to linkonce_odr functions.

[Rafael Espíndola]

> Hm, interesting - I think the assertion fired even without -cxx-abi
> microsoft, right?

Not on the reduced testcase. It needed both -cxx-abi microsoft and
-mconstructor-aliases.

I will try out a patch adding -mconstructor-aliases to the abi tests.

Cheers,
Rafael