PR c++/34758 Bad diagnostic for circular dependency in constructor default argument

[Manuel López-Ibáñez]

Bootstrapped and regression tested on x86_64-unknown-linux-gnu with
--enable-languages=all,ada

Is the wording clear now?

OK for trunk?

2008-08-18  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/34758
cp/
	* call.c (convert_default_argument): Take an additional last_arg
	argument. Clarify error message.
	(build_over_call): Update call to convert_default_arg.
	* typeck.c (convert_arguments): Update call to
	convert_default_arg.
	* cp-tree.h (convert_default_arg): Update declaration.
	* cp-gimplify.c (cxx_omp_clause_apply_fn): Update call to
	convert_default_arg.
testsuite/
	* g++.dg/parse/pr34758.C: New.
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