* builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
	Define.
	* builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
	BUILT_IN_CREAL and BUILT_IN_CIMAG.
	* c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
	conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
	(expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
	BUILT_IN_CIMAG.
	* extend.texi: Document these builtins.

testsuite:
	* gcc.c-torture/execute/builtin-complex-1.c: New test.

From-SVN: r38716