r234987 - in /trunk/gcc: ChangeLog ipa-polymorp...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Apr 14 19:21:31 2016
New Revision: 234987

URL: https://gcc.gnu.org/viewcvs?rev=234987&root=gcc&view=rev
Log:
	PR c++/70594
	* ipa-utils.h (polymorphic_ctor_dtor_p): New prototype.
	* ipa-polymorphic-call.c (polymorphic_ctor_dtor_p): New function.
	(inlined_polymorphic_ctor_dtor_block_p): Use it.
	* tree-ssa-live.c (remove_unused_scope_block_p): When
	in_ctor_dtor_block, avoid discarding not just BLOCKs with
	BLOCK_ABSTRACT_ORIGIN being FUNCTION_DECL, but even when
	block_ultimate_origin is FUNCTION_DECL.
	(remove_unused_locals): If current_function_decl is
	polymorphic_ctor_dtor_p, pass initial true to
	remove_unused_scope_block_p' is_ctor_dtor_block.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ipa-polymorphic-call.c
    trunk/gcc/ipa-utils.h
    trunk/gcc/tree-ssa-live.c