re PR tree-optimization/92163 (ICE: Segmentation fault (in bitmap_set_bit))

re PR tree-optimization/92163 (ICE: Segmentation fault (in bitmap_set_bit))

2019-10-28  Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

	PR tree-optimization/92163
	* tree-ssa-dse.c (delete_dead_or_redundant_assignment): New param
	need_eh_cleanup with default value NULL. Gate on need_eh_cleanup
	before calling bitmap_set_bit.
	(dse_optimize_redundant_stores): Pass global need_eh_cleanup to
	delete_dead_or_redundant_assignment.
	(dse_dom_walker::dse_optimize_stmt): Likewise.
	* tree-ssa-dse.h (delete_dead_or_redundant_assignment): Adjust prototype.

testsuite/
	* gcc.dg/tree-ssa/pr92163.c: New test.

From-SVN: r277525