r128687 - in /trunk/gcc: ChangeLog c-common.c d...

[jakub at gcc dot gnu dot org]

Author: jakub
Date: Sun Sep 23 09:39:39 2007
New Revision: 128687

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=128687
Log:
	* expr.c (expand_expr_real_1) <case CALL_EXPR>: Use get_callee_fndecl
	instead of checking CALL_EXPR_FN directly to test for builtins.
	If error or warning attributes are present, print
	error resp. warning.
	* c-common.c (handle_error_attribute): New function.
	(c_common_attribute_table): Add error and warning
	attributes.
	* doc/extend.texi: Document error and warning attributes.

	* gcc.dg/va-arg-pack-len-1.c: Use error and warning
	attributes.
	* gcc.dg/va-arg-pack-len-2.c: New test.
	* g++.dg/ext/va-arg-pack-len-1.C: Use error and warning
	attributes.
	* g++.dg/ext/va-arg-pack-len-2.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/ext/va-arg-pack-len-2.C
    trunk/gcc/testsuite/gcc.dg/va-arg-pack-len-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-common.c
    trunk/gcc/doc/extend.texi
    trunk/gcc/expr.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/g++.dg/ext/va-arg-pack-len-1.C
    trunk/gcc/testsuite/gcc.dg/va-arg-pack-len-1.c