PR tree-optimization/78060
	PR tree-optimization/78061
	PR tree-optimization/78088
	* tree-ssa-loop-split.c (easy_exit_values): New function.
	(tree_ssa_split_loops): Use it.
	(compute_new_first_bound): Change order of operations,
	fix invalid use of types.

testsuite/
	* g++.dg/pr78060.C: New test.
	* gfortran.dg/pr78061.f: New test.
	* g++.dg/pr78088.C: New test.

From-SVN: r241551