re PR sanitizer/66190 (ICE: tree code ‘call_expr’ is not supported in LTO streams with -fsanitize=null)

	PR sanitizer/66190
	* cp-gimplify.c (struct cp_genericize_data): Add no_sanitize_p.
	(cp_genericize_r): Don't instrument static initializers.
	(cp_genericize_tree): Initialize wtd.no_sanitize_p.

	* g++.dg/ubsan/static-init-1.C: New test.
	* g++.dg/ubsan/static-init-2.C: New test.
	* g++.dg/ubsan/static-init-3.C: New test.

From-SVN: r224096