cp:
	* call.c (build_conv): Typo in comment.
	(add_builtin_candidate): Add more explanation.
	Remove extra test for ENUMERAL_TYPE in {PRE,POST}INCREMENT_EXPR.
	Allow ENUMERAL_TYPEs for relops and eqops. Add both candidates
	when we have enumeral types.
	(add_builtin_candidates): Add more explanation. Add ENUMERAL_TYPE
	candidates for relops and eqops.
	(joust): Simplify control flow. Allow a non-template user
	function to hide a builtin.
testsuite:
	* g++.old-deja/g++.pt/overload14.C: New test.

From-SVN: r39197