2008-08-22  Daniel Kraft  <d@domob.eu>

	PR fortran/30239
	* symbol.c (gfc_add_type): Warn on -Wsurprising if a function-result
	type is re-declared but neither -pedantic nor -std=f* is given and so
	this is no error.
	* invoke.texi (-Wsurprising): Document this new behaviour.

From-SVN: r139499