tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New Parameter.
* tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
Parameter.
* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
Parameter.
(number_of_iterations_exit): Warn missed loop optimization for
possible infinite loops.
gcc/testsuite
* gcc.dg/tree-ssa/pr19210-1.c: Refine test strings.
* gcc.dg/tree-ssa/pr19210-2.c: Delete.