[Patch, Fortran] PR 38487 Spurious warning: "Actual argument might interfere..."

[Mikael Morin]

Hello,

this disables the warning I added for PR 35681 in the pointer case as
there may be too many false positive.

No regression on x86_64-unknown-linux-gnu. Ok for trunk?

Mikael

2008-12-15  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38487
	* gfortran.dg/elemental_dependency_2.f90: New test.

2008-12-15  Mikael Morin  <mikael.morin@tele2.fr>

	PR fortran/38487
	* dependency.c (gfc_is_data_pointer): New function.
	(gfc_check_argument_var_dependency): Disable the warning
	in the pointer case.
	(gfc_check_dependency): Use gfc_is_data_pointer.
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