re PR bootstrap/79814 (pass-instances.def:36:14: error: ‘*<unknown>.gcc::pass_manager::pass_warn_unused_result_1’ is used uninitialized in this function)

2017-04-24  Richard Biener  <rguenther@suse.de>

	PR bootstrap/79814
	* pass_manager.h (pass_manager::operator new): Remove.
	(pass_manager::operator delete): Likewise.
	* passes.c (pass_manager::operator new): Remove.
	(pass_manager::operator delete): Likewise.
	(pass_manager::pass_manager): Zero individual pass members.

From-SVN: r247089