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[Bug tree-optimization/45623] [4.5/4.6 Regression] GCC 4.5.[01] breaks our ffi on Linux64. ABI break?
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 16 Sep 2010 11:06:42 -0000
- Subject: [Bug tree-optimization/45623] [4.5/4.6 Regression] GCC 4.5.[01] breaks our ffi on Linux64. ABI break?
- References: <bug-45623-18333@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #26 from rguenth at gcc dot gnu dot org 2010-09-16 11:06 -------
Subject: Bug 45623
Author: rguenth
Date: Thu Sep 16 11:06:25 2010
New Revision: 164333
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=164333
Log:
2010-09-16 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45623
* tree-ssa-structalias.c (get_constraint_for_ptr_offset): Adjust.
(get_constraint_for_component_ref): If computing a constraint
for the rhs handle type punning through unions.
(get_constraint_for_address_of): Adjust.
(get_constraint_for_1): Likewise.
(get_constraint_for): Likewise.
(get_constraint_for_rhs): New function.
(do_structure_copy): Adjust.
(make_constraint_to): Likewise.
(handle_const_call): Likewise.
(find_func_aliases): Likewise.
(process_ipa_clobber): Likewise.
(create_variable_info_for): Likewise.
* gcc.dg/torture/pr45623.c: New testcase.
Added:
trunk/gcc/testsuite/gcc.dg/torture/pr45623.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-ssa-structalias.c
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45623