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From: Siddhesh Poyarekar <siddhesh@gotplt.org>
To: Martin Sebor <msebor@gmail.com>,
	Gcc Patch List <gcc-patches@gcc.gnu.org>,
	Jakub Jelinek <jakub@redhat.com>
Subject: Re: [PATCH] correct -Wrestrict handling of arrays of arrays (PR 84095)
Date: Fri, 23 Feb 2018 03:17:00 -0000	[thread overview]
Message-ID: <d638aa6e-3846-7482-be1e-d76667ddc0eb@gotplt.org> (raw)
In-Reply-To: <ddd30be9-e153-9ff9-bad8-59aab24b6256@gmail.com>

On Friday 02 February 2018 05:15 AM, Martin Sebor wrote:
> 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.

This is causing failures in Warray-bounds-2.c in the testsuite:

FAIL: c-c++-common/Warray-bounds-2.c  -Wc++-compat  memcpy (test for
warnings, line 67)
FAIL: c-c++-common/Warray-bounds-2.c  -Wc++-compat   (test for warnings,
line 72)
FAIL: c-c++-common/Warray-bounds-2.c  -Wc++-compat  strncpy (test for
warnings, line 178)
FAIL: c-c++-common/Warray-bounds-2.c  -Wc++-compat   (test for warnings,
line 183)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++98 memcpy (test for
warnings, line 67)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++98  (test for warnings,
line 72)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++98 strncpy (test for
warnings, line 178)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++98  (test for warnings,
line 183)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++11 memcpy (test for
warnings, line 67)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++11  (test for warnings,
line 72)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++11 strncpy (test for
warnings, line 178)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++11  (test for warnings,
line 183)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++14 memcpy (test for
warnings, line 67)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++14  (test for warnings,
line 72)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++14 strncpy (test for
warnings, line 178)
FAIL: c-c++-common/Warray-bounds-2.c  -std=gnu++14  (test for warnings,
line 183)

Siddhesh

  parent reply	other threads:[~2018-02-23  3:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-30 23:37 Martin Sebor
2018-02-01 23:45 ` Martin Sebor
2018-02-09  2:46   ` Martin Sebor
2018-02-14  6:14   ` Jeff Law
2018-02-15 17:48     ` Martin Sebor
2018-02-16 23:39       ` Jeff Law
2018-02-23  3:17   ` Siddhesh Poyarekar [this message]
2018-02-23 15:52     ` Martin Sebor
2018-02-23 16:19       ` Siddhesh Poyarekar
2018-02-23 16:49       ` Jakub Jelinek

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