As stated in the PR, the Fortran 2018 standard removed the restriction
prohibiting ELEMENTAL RECURSIVE procedures.  Adjust the relevant check.

Regtested on x86_64-pc-linux-gnu.

OK for master?

Thanks,
Harald


PR fortran/97036 - [F2018] Allow ELEMENTAL RECURSIVE procedure prefix

gcc/fortran/ChangeLog:

	* symbol.c (gfc_check_conflict): Allow ELEMENTAL RECURSIVE
	procedure prefix for -std=f2018.

gcc/testsuite/ChangeLog:

	* gfortran.dg/pr97036.f90: New test.