re PR fortran/34536 (Make support of 2.0**-3*5 tighter: Print warning by default)

re PR fortran/34536 (Make support of 2.0**-3*5 tighter: Print warning by default)

gcc/fortran:
2007-12-23  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34536
	* matchexp.c (match_ext_mult_operand): Print warning for unary
	operators following arithmetic ones by default.
	(match_ext_add_operand): Likewise.

gcc/testsuite:
2007-12-23  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/34536
	* gfortran.dg/integer_exponentiation_2.f90: Fixed testcase.
	* gfortran.dg/real_const_3.f90: Likewise.
	* gfortran.dg/unary_operator.f90: New test.

From-SVN: r131149