Fortran: Fix wrong recursive errors and class initialization [PR112407]

Fortran: Fix wrong recursive errors and class initialization [PR112407]

2024-04-02  Paul Thomas  <pault@gcc.gnu.org>

gcc/fortran
	PR fortran/112407
	* resolve.cc (resolve_procedure_expression): Change the test for
	for recursion in the case of hidden procedures from modules.
	(resolve_typebound_static): Add warning for possible recursive
	calls to typebound procedures.
	* trans-expr.cc (gfc_trans_class_init_assign): Do not apply
	default initializer to class dummy where component initializers
	are all null.

gcc/testsuite/
	PR fortran/112407
	* gfortran.dg/pr112407a.f90: New test.
	* gfortran.dg/pr112407b.f90: New test.