re PR fortran/39171 (Misleading warning for negative character length)

re PR fortran/39171 (Misleading warning for negative character length)

2010-02-09  Daniel Kraft  <d@domob.eu>

	PR fortran/39171
	* resolve.c (resolve_charlen): Change warning about negative CHARACTER
	length to be correct and issue only with -Wsurprising.
	* invoke.texi (Wsurprising): Mention this new warning that is
	turned on by -Wsurprising.

2010-02-09  Daniel Kraft  <d@domob.eu>

	PR fortran/39171
	* gfortran.dg/char_length_2.f90: Change warning expectations accordingly
	and pass -Wsurprising as necessary.

From-SVN: r156620