re PR middle-end/89497 (ICE caused by Segmentation Fault when compiling cups 2.2.10 with LTO flags enabled)

2019-03-01  Richard Biener  <rguenther@suse.de>

	PR middle-end/89497
	* tree-cfgcleanup.h (cleanup_tree_cfg): Add SSA update flags
	argument, defaulted to zero.
	* passes.c (execute_function_todo): Pass down SSA update flags
	to cleanup_tree_cfg.
	* tree-cfgcleanup.c: Include tree-into-ssa.h and tree-cfgcleanup.h.
	(cleanup_tree_cfg_noloop): After cleanup_control_flow_pre update SSA
	form if requested.
	(cleanup_tree_cfg): Get and pass down SSA update flags.

	* gcc.dg/tree-ssa/reassoc-43.c: Avoid false match in regex.
	* g++.dg/tree-prof/devirt.C: Scan tracer dump for foldings
	that happen now earlier.

From-SVN: r269302