re PR target/89506 (ICE: in decompose, at rtl.h:2266 with -Og -g)

re PR target/89506 (ICE: in decompose, at rtl.h:2266 with -Og -g)

2018-05-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/89506
	* io/write.c (write_integer): Initialise the fnode format to
	FMT_NONE, used for list directed write.
	(BUF_STACK_SZ): Bump default buffer size up to avoid allocs on
	small stuff.

From-SVN: r260795