2016-10-07  Fritz Reese  <fritzoreese@gmail.com>

Fix ICE due to map typespecs with different sized charlens being copied.

	gcc/fortran/
	* interface.c (compare_components): Check charlen for BT_CHAR.

	gcc/testsuite/gfortran.dg/
	* dec_union_11.f90: New testcase.

From-SVN: r240875