[PATCH] PR fortran/66725 -- Fix multiple ICEs

[Steve Kargl]

It seems that when the matching of various specifiers in 
OPEN, CLOSE, and WRITE were written with much confidence 
that user would not do something stupid.

The attached patch fixes multiple ICEs.  Regression tested
on i386-*-freebsd.  OK to commit?

PS: There are other ICEs caused be ill-formed specifiers.
This patch does not address those.


2015-07-03  Steven G. Kargl  <kargl@gcc.gnu.org>

	* io.c (is_char_type): New function to test for BT_CHARACTER
	(gfc_match_open, gfc_match_close, match_dt_element): Use it.

2015-07-03  Steven G. Kargl  <kargl@gcc.gnu.org>
	* gfortran.dg/pr66725.f90: New test.

-- 
Steve
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