[Bug c++/57183] [C++11] auto and -Wunused-variable

[paolo.carlini at oracle dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57183



--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2013-05-06 
08:47:25 UTC ---

PI_1 and PI_3 are "d" instead of "r"