middle-end/92674 delay purging EH edges when folding during inlining

middle-end/92674 delay purging EH edges when folding during inlining

2020-02-14  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2019-11-27  Richard Biener  <rguenther@suse.de>

	PR middle-end/92674
	* tree-inline.c (expand_call_inline): Delay purging EH/abnormal
	edges and instead record blocks in bitmap.
	(gimple_expand_calls_inline): Adjust.
	(fold_marked_statements): Delay EH cleanup until all folding is
	done.
	(optimize_inline_calls): Do EH/abnormal cleanup for calls after
	inlining finished.