[PATCH] fortran/39893 -- fix segfault caused by invalid code

[Steve Kargl]

The attached patch has been regression tested on
i686-*-freebsd and x86_64-*-*freebsd.  There are
no regression.

The patch prevents a segmentation fault on invalid 
code.  The invalid code porduces an error, but gfortran
tries to continue and fails.

2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/39893
	* gfortran.dg/assumed_charlen_dummy.f90: New Test.


2009-04-26  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/39893
	fortran/data.c (gfc_assign_data_value): If the lvalue is an 
	assumed character length entity in a data statement, then 
	return FAILURE to prevent segmentation fault.

OK for trunk and 4.4?

-- 
Steve
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