Fortran: Fix ICE in gfc_trans_create_temp_array from bad type [PR93678]

2024-04-25  Paul Thomas  <pault@gcc.gnu.org>

gcc/fortran
	PR fortran/93678
	* trans-expr.cc (gfc_conv_procedure_call): Use the interface,
	where possible, to obtain the type of character procedure
	pointers of class entities.

gcc/testsuite/
	PR fortran/93678
	* gfortran.dg/pr93678.f90: New test.