2019-11-22  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR tree-optimization/92608
	* tree-ssa-loop-unswitch.c (find_loop_guard): Use safe_dyn_cast instead
	of dyn_cast.

testsuite/
	* gcc.dg/torture/pr92608.c: New test.

From-SVN: r278598