2014-01-30  Richard Biener  <rguenther@suse.de>

	PR c/59905
	* c-typeck.c (build_function_call_vec): Do not replace calls
	to a function via an incompatible type with a runtime abort.

	* gcc.dg/cast-function-1.c: Adjust to survive DCE.
	* gcc.dg/call-diag-2.c: Remove expected warnings about calling
	abort.
	* gcc.dg/invalid-call-1.c: Likewise.

From-SVN: r207300