[Bug bootstrap/53912] [4.7/4.8 Regression] bootstrap fails using default c++ mode in stage 2 and 3 for native x86_64-w64-mingw32

[rai...@emrich-ebersheim.de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53912

--- Comment #17 from Rainer Emrich <rai...@emrich-ebersheim.de> 2012-07-20 
16:18:00 UTC ---
I'm travelling for 2 weeks from now on. During this time I have no opportunity
to work any further on this issue.

Kai, perhaps you may help out?