[Bug target/57756] Function target attribute is retaining state of previously seen function

[ysrumyan at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57756

--- Comment #7 from Yuri Rumyantsev <ysrumyan at gmail dot com> ---
Created attachment 31217
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31217&action=edit
Additioanl patch for r203634.

See my comments.