2016-05-13 Richard Biener <rguenther@suse.de>

2016-05-13  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2016-04-27  Richard Biener  <rguenther@suse.de>

	PR ipa/70760
	* tree-ssa-structalias.c (find_func_aliases_for_call): Use
	aggregate_value_p to determine if a function result is
	returned by reference.

	* g++.dg/ipa/ipa-pta-2.C: New testcase.
	* gcc.dg/ipa/ipa-pta-1.c: Adjust.

	2016-05-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/70931
	* dwarf2out.c (native_encode_initializer): Skip zero-sized fields.

	* gfortran.dg/pr70931.f90: New testcase.

	2016-05-06  Richard Biener  <rguenther@suse.de>

	PR middle-end/70941
	* fold-const.c (split_tree): Always convert to the original type
	before negating.

	* gcc.dg/torture/pr70941.c: New testcase.

	2016-05-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/70941
	* gcc.dg/torture/pr70941.c (abort): Remove prototype.
	(a, b, c, d): Change type from char to signed char.
	(main): Compare against (signed char) -1634678893 instead of
	hardcoded -109.  Use __builtin_abort instead of abort.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@236210 138bc75d-0d04-0410-961f-82ee72b054a4