| commit | f06537f281ee377a580745324c3dcb4dd0061e81 | |
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 15 Jul 2008 15:07:46 +0000 (15 15:07 +0000) | ||
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | |
| Tue, 15 Jul 2008 15:07:46 +0000 (15 15:07 +0000) | ||
| tree | 0bcb9d1a50290f889709fe4909b9f2295332dc22 | treesnapshot (tar.gz zip) |
| parent | 890c45fff2c369be2a2cfffa169ea8642000464d | commitdiff |
2008-07-15 Richard Guenther <rguenther@suse.de>
PR middle-end/36369
* c-common.c (strict_aliasing_warning): Do not warn for
TYPE_REF_CAN_ALIAS_ALL pointers.
(c_common_get_alias_set): may_alias types are not special.
* tree.c (build_pointer_type_for_mode): Look up the may_alias
attribute and set can_ref_all accordingly.
(build_reference_type_for_mode): Likewise.
* doc/extend.texi (may_alias): Clarify.
* gcc.dg/Wstrict-aliasing-bogus-ref-all.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137843 138bc75d-0d04-0410-961f-82ee72b054a4
PR middle-end/36369
* c-common.c (strict_aliasing_warning): Do not warn for
TYPE_REF_CAN_ALIAS_ALL pointers.
(c_common_get_alias_set): may_alias types are not special.
* tree.c (build_pointer_type_for_mode): Look up the may_alias
attribute and set can_ref_all accordingly.
(build_reference_type_for_mode): Likewise.
* doc/extend.texi (may_alias): Clarify.
* gcc.dg/Wstrict-aliasing-bogus-ref-all.c: New testcase.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137843 138bc75d-0d04-0410-961f-82ee72b054a4