This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/84095] [8 Regression] false-positive -Wrestrict warnings for memcpy within array
- From: "msebor at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 20 Feb 2018 20:22:33 +0000
- Subject: [Bug middle-end/84095] [8 Regression] false-positive -Wrestrict warnings for memcpy within array
- Auto-submitted: auto-generated
- References: <bug-84095-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84095
--- Comment #18 from Martin Sebor <msebor at gcc dot gnu.org> ---
Author: msebor
Date: Tue Feb 20 20:22:01 2018
New Revision: 257860
URL: https://gcc.gnu.org/viewcvs?rev=257860&root=gcc&view=rev
Log:
PR middle-end/84095 - false-positive -Wrestrict warnings for memcpy within
array
gcc/ChangeLog:
PR middle-end/84095
* gimple-ssa-warn-restrict.c (builtin_memref::extend_offset_range):
New.
(builtin_memref::set_base_and_offset): Same. Handle inner references.
(builtin_memref::builtin_memref): Factor out parts into
set_base_and_offset and call it.
gcc/testsuite/ChangeLog:
PR middle-end/84095
* c-c++-common/Warray-bounds-3.c: Adjust text of expected warnings.
* c-c++-common/Wrestrict.c: Same.
* gcc.dg/Wrestrict-6.c: Same.
* gcc.dg/Warray-bounds-27.c: New test.
* gcc.dg/Wrestrict-8.c: New test.
* gcc.dg/Wrestrict-9.c: New test.
* gcc.dg/pr84095.c: New test.
Added:
trunk/gcc/testsuite/gcc.dg/Warray-bounds-27.c
trunk/gcc/testsuite/gcc.dg/Wrestrict-8.c
trunk/gcc/testsuite/gcc.dg/Wrestrict-9.c
trunk/gcc/testsuite/gcc.dg/pr84095.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/gimple-ssa-warn-restrict.c
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/c-c++-common/Warray-bounds-3.c
trunk/gcc/testsuite/c-c++-common/Wrestrict.c
trunk/gcc/testsuite/gcc.dg/Wrestrict-6.c