2006-08-17  Paolo Bonzini <bonzini@gnu.org>

	PR c++/28573
	* c-common.c (fold_offsetof_1): Add an argument and recurse down to it
	or the INTEGER_CST.  Fail on a CALL_EXPR. 
	(fold_offsetof): Pass new argument to fold_offsetof_1.
	* c-parser.c (c_parser_postfix_expression): Don't include a NULL
	operand into an INDIRECT_REF. 
	* c-typeck.c (build_unary_op): Adjust call to fold_offsetof.

cp:
2006-08-17  Paolo Bonzini  <bonzini@gnu.org>

	PR c++/28573
	* semantics.c (finish_offsetof): Add new argument to fold_offsetof.

testsuite:
2006-08-17  Paolo Bonzini  <bonzini@gnu.org>

	PR c++/28573
	* g++.dg/parse/offsetof6.C: New test.
	* g++.dg/parse/offsetof7.C: New test.

From-SVN: r116208