gcc/fortran/
	* gfortran.texi: Document.
	* resolve.c (logical_to_bitwise): New function.
	* resolve.c (resolve_operator): Wrap operands with logical_to_bitwise.

	gcc/testsuite/gfortran.dg/
	* dec_bitwise_ops_1.f90, dec_bitwise_ops_2.f90: New testcases.

From-SVN: r241534