[Bug c++/53551] -Wunused-local-typedefs misses uses

[akim.demaille at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53551

--- Comment #1 from Akim Demaille <akim.demaille at gmail dot com> 2012-06-01 12:24:44 UTC ---
Created attachment 27539
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27539
Test case