r126144 - in /trunk/gcc: ChangeLog c-typeck.c c...

[manu@gcc.gnu.org]

Author: manu
Date: Sat Jun 30 12:56:43 2007
New Revision: 126144

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126144
Log:
2007-06-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/4076
	* c-typeck.c (build_external_ref): Don't mark as used if called
	from itself.
	* calls.c (rtx_for_function_call): Likewise.

testsuite/
	* gcc.dg/Wunused-function.c: New.

Added:
    trunk/gcc/testsuite/gcc.dg/Wunused-function.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-typeck.c
    trunk/gcc/calls.c
    trunk/gcc/testsuite/ChangeLog