r243738 - in /trunk/gcc: ChangeLog cp/ChangeLog...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Fri Dec 16 09:40:03 2016
New Revision: 243738

URL: https://gcc.gnu.org/viewcvs?rev=243738&root=gcc&view=rev
Log:
2016-12-16  Richard Biener  <rguenther@suse.de>

	PR c++/71694
	* langhooks-def.h (lhd_unit_size_without_reusable_padding): Declare.
	(LANG_HOOKS_UNIT_SIZE_WITHOUT_REUSABLE_PADDING): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Adjust.
	* langhooks.h (struct lang_hooks_for_types): Add
	unit_size_without_reusable_padding.
	* langhooks.c (lhd_unit_size_without_reusable_padding): New.
	* stor-layout.c (finish_bitfield_representative): Use
	unit_size_without_reusable_padding langhook to decide on the
	last representatives size.

	cp/
	* cp-objcp-common.h (cp_unit_size_without_reusable_padding): Declare.
	(LANG_HOOKS_UNIT_SIZE_WITHOUT_REUSABLE_PADDING): Define.
	* cp-objcp-common.c (cp_unit_size_without_reusable_padding): New.

	* g++.dg/pr71694.C: New testcase.

Added:
    trunk/gcc/testsuite/g++.dg/pr71694.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/cp-objcp-common.c
    trunk/gcc/cp/cp-objcp-common.h
    trunk/gcc/langhooks-def.h
    trunk/gcc/langhooks.c
    trunk/gcc/langhooks.h
    trunk/gcc/stor-layout.c
    trunk/gcc/testsuite/ChangeLog