[Bug c++/61004] [4.10 Regression] Spurious warning: dereferencing type-punned pointer

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=61004

--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 32713
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32713&action=edit
untested patch