* builtins.c (fold_builtin_round): Fix comment typo.
	(fold_builtin_lround): New function.
	(fold_builtin): Use it.

testsuite:
	* gcc.dg/torture/builtin-rounding-1.c: New test.
	* gcc.dg/builtins-25.c: Delete.
	* gcc.dg/builtins-29.c: Delete.

From-SVN: r81380