[PATCH] PR fortran/68154 -- repair damage done byfix for PR fortran/65429

[Steve Kargl]

The attached patch restores 3 lines of code removed in my
fix for PR fortran/65429.  The code now checks for a NULL
character length in the typespec.  If it is indeed NULL,
gfortran will look for a valid constructor to use (ie.,
the 3 lines of code).  It is somewhat surprising that
it took 6 months for this bug to appear.  Patch tested
on x86_64-*-freebsd.  OK to commit?

2015-10-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68154
	* decl.c (add_init_expr_to_sym): if the char length in the typespec
	is NULL, check for and use the constructor. 

2015-10-29  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/68154
	*gfortran.dg/pr68154.f90

-- 
Steve
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