ODR merging and implicit typedefs

[Markus Trippelsdorf]

On 2015.05.19 at 19:33 +0200, Jan Hubicka wrote:
> 
> Jason,
> I just noticed that there are bogus ODR violation warnings during LTO-bootstrap
> (that breaks -Werror builds).  It was caused by my work-around for type_in_anonymous_namespace
> for the issue discussed in:
> https://gcc.gnu.org/ml/gcc-patches/2015-05/msg01245.html
> (i.e. the TYPE_STUB_DECL disucssion).

There are also many bogus ODR warnings when building LLVM with LTO:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66180

-- 
Markus