[Bug c/59863] const array in function is placed on stack

[sam at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59863

--- Comment #4 from Samuel Tardieu <sam at gcc dot gnu.org> ---
Note that clang has this bug "in reverse": it unifies the arrays even when
recursive calls are possible and address escapes the defining function
(http://llvm.org/bugs/show_bug.cgi?id=18557).