[Bug c/59668] extraneous error messages at -O1, -O2 and -O3 for valid code with string library functions

[glisse at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59668

--- Comment #1 from Marc Glisse <glisse at gcc dot gnu.org> ---
Well, that's a glibc issue, isn't it?

Btw, you need to provide the preprocessed code.