[Bug c/60100] warning disappears when preprocessed source is compiled

[lavr at ncbi dot nlm.nih.gov]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=60100

--- Comment #4 from lavr at ncbi dot nlm.nih.gov ---
Created attachment 32072
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=32072&action=edit
Preprocessed C source that fails to produce a warning when compiled