re PR middle-end/17564 (New treatment of function pointers when used with equality operators, when casts are involved)

	PR middle-end/17564
	* dojump.c (do_compare_and_jump): Only canonicalize function pointers
	in a comparison if both sides are function pointers.

Co-Authored-By: John David Anglin <dave.anglin@nrc-cnrc.gc.ca>

From-SVN: r92061