2019-03-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/89664
	* tree-ssa-math-opts.c (execute_cse_reciprocals_1): Properly
	free the occurance tree after the early out.

	* gfortran.dg/pr89664.f90: New testcase.

From-SVN: r269604