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* [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973
@ 2020-09-02 18:02 seurer at gcc dot gnu.org
2020-09-02 21:41 ` [Bug middle-end/96903] " msebor at gcc dot gnu.org
` (4 more replies)
0 siblings, 5 replies; 6+ messages in thread
From: seurer at gcc dot gnu.org @ 2020-09-02 18:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96903
Bug ID: 96903
Summary: [11 regression] excess errors from gcc.dg/pr89350.c
after r11-2973
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: testsuite
Assignee: unassigned at gcc dot gnu.org
Reporter: seurer at gcc dot gnu.org
Target Milestone: ---
g:0c344a649d803a83ed35f629d292b98143935ffa, r11-2973
make -k check-gcc RUNTESTFLAGS="dg.exp=gcc.dg/pr89350.c"
...
Executing on host: /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/pr89350.c
-fdiagnostics-plain-output -O2 -Wall -S -o pr89350.s (timeout = 300)
spawn -ignore SIGHUP /home/seurer/gcc/git/build/gcc-test/gcc/xgcc
-B/home/seurer/gcc/git/build/gcc-test/gcc/
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/pr89350.c
-fdiagnostics-plain-output -O2 -Wall -S -o pr89350.s
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/pr89350.c: In function
'main':
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/pr89350.c:16:7: warning:
'__builtin_memcpy' writing 1 or more bytes into a region of size 0 overflows
the destination [-Wstringop-overflow=]
/home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/pr89350.c:6:6: note:
destination object 'buf'
FAIL: gcc.dg/pr89350.c (test for bogus messages, line 16)
PASS: gcc.dg/pr89350.c (test for excess errors)
testcase /home/seurer/gcc/git/gcc-test/gcc/testsuite/gcc.dg/dg.exp completed in
0 seconds
=== gcc Summary ===
# of expected passes 1
# of unexpected failures 1
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/96903] [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973
2020-09-02 18:02 [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973 seurer at gcc dot gnu.org
@ 2020-09-02 21:41 ` msebor at gcc dot gnu.org
2020-09-03 6:16 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-02 21:41 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96903
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Blocks| |88443
Ever confirmed|0 |1
Component|testsuite |middle-end
Last reconfirmed| |2020-09-02
Keywords| |diagnostic
Status|UNCONFIRMED |ASSIGNED
--- Comment #1 from Martin Sebor <msebor at gcc dot gnu.org> ---
Also reported on x86_64 here:
https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553124.html
Referenced Bugs:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88443
[Bug 88443] [meta-bug] bogus/missing -Wstringop-overflow warnings
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/96903] [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973
2020-09-02 18:02 [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973 seurer at gcc dot gnu.org
2020-09-02 21:41 ` [Bug middle-end/96903] " msebor at gcc dot gnu.org
@ 2020-09-03 6:16 ` rguenth at gcc dot gnu.org
2020-09-09 23:35 ` msebor at gcc dot gnu.org
` (2 subsequent siblings)
4 siblings, 0 replies; 6+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-09-03 6:16 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96903
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.0
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/96903] [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973
2020-09-02 18:02 [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973 seurer at gcc dot gnu.org
2020-09-02 21:41 ` [Bug middle-end/96903] " msebor at gcc dot gnu.org
2020-09-03 6:16 ` rguenth at gcc dot gnu.org
@ 2020-09-09 23:35 ` msebor at gcc dot gnu.org
2020-09-11 15:43 ` cvs-commit at gcc dot gnu.org
2020-09-11 15:43 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-09 23:35 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96903
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
--- Comment #2 from Martin Sebor <msebor at gcc dot gnu.org> ---
Patch: https://gcc.gnu.org/pipermail/gcc-patches/2020-September/553550.html
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/96903] [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973
2020-09-02 18:02 [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973 seurer at gcc dot gnu.org
` (2 preceding siblings ...)
2020-09-09 23:35 ` msebor at gcc dot gnu.org
@ 2020-09-11 15:43 ` cvs-commit at gcc dot gnu.org
2020-09-11 15:43 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2020-09-11 15:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96903
--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Sebor <msebor@gcc.gnu.org>:
https://gcc.gnu.org/g:f36a8168f04dfbde9d4c64421c1058975b28ff9a
commit r11-3162-gf36a8168f04dfbde9d4c64421c1058975b28ff9a
Author: Martin Sebor <msebor@redhat.com>
Date: Fri Sep 11 09:40:45 2020 -0600
Move/correct offset adjustment (PR middle-end/96903).
Resolves:
PR middle-end/96903 - bogus warning on memcpy at negative offset from array
end
gcc/ChangeLog:
PR middle-end/96903
* builtins.c (compute_objsize): Remove incorrect offset adjustment.
(compute_objsize): Adjust offset range here instead.
gcc/testsuite/ChangeLog:
PR middle-end/96903
* gcc.dg/Wstringop-overflow-42.c:: Add comment.
* gcc.dg/Wstringop-overflow-43.c: New test.
^ permalink raw reply [flat|nested] 6+ messages in thread
* [Bug middle-end/96903] [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973
2020-09-02 18:02 [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973 seurer at gcc dot gnu.org
` (3 preceding siblings ...)
2020-09-11 15:43 ` cvs-commit at gcc dot gnu.org
@ 2020-09-11 15:43 ` msebor at gcc dot gnu.org
4 siblings, 0 replies; 6+ messages in thread
From: msebor at gcc dot gnu.org @ 2020-09-11 15:43 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96903
Martin Sebor <msebor at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|ASSIGNED |RESOLVED
--- Comment #4 from Martin Sebor <msebor at gcc dot gnu.org> ---
Fixed in r11-3162.
^ permalink raw reply [flat|nested] 6+ messages in thread
end of thread, other threads:[~2020-09-11 15:43 UTC | newest]
Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
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2020-09-02 18:02 [Bug testsuite/96903] New: [11 regression] excess errors from gcc.dg/pr89350.c after r11-2973 seurer at gcc dot gnu.org
2020-09-02 21:41 ` [Bug middle-end/96903] " msebor at gcc dot gnu.org
2020-09-03 6:16 ` rguenth at gcc dot gnu.org
2020-09-09 23:35 ` msebor at gcc dot gnu.org
2020-09-11 15:43 ` cvs-commit at gcc dot gnu.org
2020-09-11 15:43 ` msebor at gcc dot gnu.org
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