Process EH edges again and call get_tree_range on non gimple_range_ssa_p names.

Process EH edges again and call get_tree_range on non gimple_range_ssa_p names.

	PR tree-optimization/102796
	gcc/
	* gimple-range.cc (gimple_ranger::range_on_edge): Process EH edges
	normally.  Return get_tree_range for non gimple_range_ssa_p names.
	(gimple_ranger::range_of_stmt): Use get_tree_range for non
	gimple_range_ssa_p names.

	gcc/testsuite/
	* g++.dg/pr102796.C: New.