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* [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning
@ 2013-02-10 7:05 daniel at constexpr dot org
2013-02-10 7:07 ` [Bug other/56273] " daniel at constexpr dot org
` (24 more replies)
0 siblings, 25 replies; 26+ messages in thread
From: daniel at constexpr dot org @ 2013-02-10 7:05 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Bug #: 56273
Summary: [4.8 regression] Bogus -Warray-bounds warning
Classification: Unclassified
Product: gcc
Version: unknown
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: other
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: daniel@constexpr.org
The following C++ code cause current gcc master to emit an incorrect array
bounds warning:
$ cat test.cpp
struct type {
bool a, b;
bool get_b() { return b; }
};
type stuff[9u];
void bar();
void foo() {
for(unsigned i = 0u; i < 9u; i++) {
if(!stuff[i].a) {
continue;
}
bar();
for(unsigned j = i + 1u; j < 9u; j++) {
if(stuff[j].a && stuff[j].get_b()) {
return;
}
}
}
}
$ g++-4.8.0-pre9999 -Warray-bounds -O3 -c test.cpp
test.cpp: In function ‘void foo()’:
test.cpp:22:17: warning: array subscript is above array bounds [-Warray-bounds]
if(stuff[j].a && stuff[j].get_b()) {
^
I appreciate static analyzers as much as everyone, but having false positives
in the normal warnings (especially ones enabled at -Wall) can be annoying.
GCC was build from git master just now:
$ g++-4.8.0-pre9999 -v
Using built-in specs.
COLLECT_GCC=g++-4.8.0-pre9999
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-pc-linux-gnu/4.8.0-pre9999/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with:
/var/tmp/portage/sys-devel/gcc-4.8.0_pre9999/work/gcc-4.8.0-9999/configure
--prefix=/usr --bindir=/usr/x86_64-pc-linux-gnu/gcc-bin/4.8.0-pre9999
--includedir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.0-pre9999/include
--datadir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.0-pre9999
--mandir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.0-pre9999/man
--infodir=/usr/share/gcc-data/x86_64-pc-linux-gnu/4.8.0-pre9999/info
--with-gxx-include-dir=/usr/lib/gcc/x86_64-pc-linux-gnu/4.8.0-pre9999/include/g++-v4
--host=x86_64-pc-linux-gnu --build=x86_64-pc-linux-gnu --disable-altivec
--disable-fixed-point --with-ppl --with-cloog --disable-ppl-version-check
--with-cloog-include=/usr/include/cloog-ppl --enable-lto --enable-nls
--without-included-gettext --with-system-zlib --enable-obsolete
--disable-werror --enable-secureplt --enable-multilib
--with-multilib-list=m32,m64 --enable-libmudflap --disable-libssp
--enable-libgomp
--with-python-dir=/share/gcc-data/x86_64-pc-linux-gnu/4.8.0-pre9999/python
--enable-checking=release --disable-libgcj --enable-libstdcxx-time
--enable-languages=c,c++,fortran --enable-shared --enable-threads=posix
--enable-__cxa_atexit --enable-clocale=gnu --enable-targets=all
--with-bugurl=http://bugs.gentoo.org/ --with-pkgversion='Gentoo 4.8.0_pre9999'
Thread model: posix
gcc version 4.8.0-pre9999 20130210 (experimental) commit
bc85f3af1b43674782c9b5bb2240117f293b5530 (Gentoo 4.8.0_pre9999)
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug other/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
@ 2013-02-10 7:07 ` daniel at constexpr dot org
2013-02-10 7:35 ` [Bug tree-optimization/56273] " pinskia at gcc dot gnu.org
` (23 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: daniel at constexpr dot org @ 2013-02-10 7:07 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #1 from Daniel Scharrer <daniel at constexpr dot org> 2013-02-10 07:07:40 UTC ---
The same code and command-line arguments do not produce a warning in gcc 4.7.2,
4.6.3, 4.5.4 and clang 3.2 as well as clang's static analyzer.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
2013-02-10 7:07 ` [Bug other/56273] " daniel at constexpr dot org
@ 2013-02-10 7:35 ` pinskia at gcc dot gnu.org
2013-02-10 12:18 ` rguenth at gcc dot gnu.org
` (22 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: pinskia at gcc dot gnu.org @ 2013-02-10 7:35 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |diagnostic,
| |missed-optimization
Status|UNCONFIRMED |NEW
Last reconfirmed| |2013-02-10
Component|other |tree-optimization
Ever Confirmed|0 |1
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-10 07:34:54 UTC ---
The problem is a missing VRP. Basically ivopts changes:
if (j_10 != 9)
Which works into:
j_10 = ivtmp.12_56;
if (ivtmp.12_56 != 9)
goto <bb 7>;
else
goto <bb 6>;
Which does not work as VRP cannot figure out j_10 will never be 9.
I have some patches to VRP which improves this but I don't remember if it fixes
this case where there is an assignment which is used later on.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
2013-02-10 7:07 ` [Bug other/56273] " daniel at constexpr dot org
2013-02-10 7:35 ` [Bug tree-optimization/56273] " pinskia at gcc dot gnu.org
@ 2013-02-10 12:18 ` rguenth at gcc dot gnu.org
2013-02-11 9:33 ` rguenth at gcc dot gnu.org
` (21 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-10 12:18 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
AssignedTo|unassigned at gcc dot |rguenth at gcc dot gnu.org
|gnu.org |
Target Milestone|--- |4.8.0
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-10 12:18:10 UTC ---
I will have a look.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (2 preceding siblings ...)
2013-02-10 12:18 ` rguenth at gcc dot gnu.org
@ 2013-02-11 9:33 ` rguenth at gcc dot gnu.org
2013-02-11 10:52 ` rguenth at gcc dot gnu.org
` (20 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-11 9:33 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-11 09:32:31 UTC ---
(In reply to comment #2)
> The problem is a missing VRP. Basically ivopts changes:
> if (j_10 != 9)
>
> Which works into:
>
> j_10 = ivtmp.12_56;
> if (ivtmp.12_56 != 9)
> goto <bb 7>;
> else
> goto <bb 6>;
>
>
> Which does not work as VRP cannot figure out j_10 will never be 9.
> I have some patches to VRP which improves this but I don't remember if it fixes
> this case where there is an assignment which is used later on.
A similar case was PR55079 which was
j_10 = ivtmp.12_56 + 1;
if (ivtmp.12_56 == 5)
...
I handled already. Extending this to copies should be easy. If I do that
it still doesn't work.
That's because we warn for stuff[j_15] and j_15 is [9, 16] (we completely
peel the loop). The access is guarded with
<bb 30>:
j_55 = ivtmp.12_56 + 8;
j_72 = ivtmp.12_56 + 8;
if (j_72 != 9)
goto <bb 31>;
else
goto <bb 3>;
<bb 31>:
# j_15 = PHI <j_55(30)>
_12 = stuff[j_15].a;
if (_12 != 0)
but j_72 is [9, 16] as well and ivtmp.12_56: [1, 9]. Improving VRP to
see that j_55 is != 9 in bb31 will only lead to [10, 16] which is also
out-of-bounds.
It might very well be that folding the < test to != in VRP1 causes most
of the issues. Indeed -fdisable-tree-vrp1 "fixes" the testcase. We
should probably delay that optimization to VRP2 only, thus don't do
Folding statement: if (i_1 <= 8)
Simplified relational if (i_1 <= 8)
into if (i_1 != 9)
(simplify_cond_using_ranges).
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (3 preceding siblings ...)
2013-02-11 9:33 ` rguenth at gcc dot gnu.org
@ 2013-02-11 10:52 ` rguenth at gcc dot gnu.org
2013-02-11 13:33 ` rguenth at gcc dot gnu.org
` (19 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-11 10:52 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-11 10:52:39 UTC ---
One of the reasons this all happens is of course that after complete unrolling
we miss a pass that does full redundancy removal and const/copy propagation.
For the latter we abuse VRP (but cripple it), for the former we have DOM,
but that is scheduled after VRP.
I wonder if we should simply move VRP after DOM. Like with
Index: gcc/passes.c
===================================================================
--- gcc/passes.c (revision 195938)
+++ gcc/passes.c (working copy)
@@ -1488,7 +1488,6 @@ init_optimization_passes (void)
NEXT_PASS (pass_lower_vector_ssa);
NEXT_PASS (pass_cse_reciprocals);
NEXT_PASS (pass_reassoc);
- NEXT_PASS (pass_vrp);
NEXT_PASS (pass_strength_reduction);
NEXT_PASS (pass_dominator);
/* The only const/copy propagation opportunities left after
@@ -1497,6 +1496,7 @@ init_optimization_passes (void)
only examines PHIs to discover const/copy propagation
opportunities. */
NEXT_PASS (pass_phi_only_cprop);
+ NEXT_PASS (pass_vrp);
NEXT_PASS (pass_cd_dce);
NEXT_PASS (pass_tracer);
as DOM also performs constant/copy propagation. That doesn't fix the
warning but makes the IL that we feed into VRP2 much more suitable to
its working.
A patch to disable the < -> != transform fixes this bug and I am going
to test that.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (4 preceding siblings ...)
2013-02-11 10:52 ` rguenth at gcc dot gnu.org
@ 2013-02-11 13:33 ` rguenth at gcc dot gnu.org
2013-02-11 13:34 ` rguenth at gcc dot gnu.org
` (18 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-11 13:33 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-11 13:33:29 UTC ---
Author: rguenth
Date: Mon Feb 11 13:33:19 2013
New Revision: 195940
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195940
Log:
2013-02-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
* tree-vrp.c (simplify_cond_using_ranges): Disable for the
first VRP run.
(check_array_ref): Fix missing newline in dumps.
(search_for_addr_array): Likewise.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/tree-ssa/pr21559.c: Adjust.
* gcc.dg/tree-ssa/vrp17.c: Likewise.
* gcc.dg/tree-ssa/vrp18.c: Likewise.
* gcc.dg/tree-ssa/vrp23.c: Likewise.
* gcc.dg/tree-ssa/vrp24.c: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr21559.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp18.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp23.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp24.c
trunk/gcc/tree-vrp.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (5 preceding siblings ...)
2013-02-11 13:33 ` rguenth at gcc dot gnu.org
@ 2013-02-11 13:34 ` rguenth at gcc dot gnu.org
2013-02-11 15:09 ` rguenth at gcc dot gnu.org
` (17 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-11 13:34 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution| |FIXED
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-11 13:34:06 UTC ---
Fixed.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (6 preceding siblings ...)
2013-02-11 13:34 ` rguenth at gcc dot gnu.org
@ 2013-02-11 15:09 ` rguenth at gcc dot gnu.org
2013-02-12 16:24 ` vincenzo.innocente at cern dot ch
` (16 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-11 15:09 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-11 15:09:02 UTC ---
Author: rguenth
Date: Mon Feb 11 15:08:51 2013
New Revision: 195942
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195942
Log:
2013-02-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
* gcc.dg/tree-ssa/vrp17.c: Disable tail-merging.
Modified:
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (7 preceding siblings ...)
2013-02-11 15:09 ` rguenth at gcc dot gnu.org
@ 2013-02-12 16:24 ` vincenzo.innocente at cern dot ch
2013-02-12 23:50 ` pinskia at gcc dot gnu.org
` (15 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: vincenzo.innocente at cern dot ch @ 2013-02-12 16:24 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #9 from vincenzo Innocente <vincenzo.innocente at cern dot ch> 2013-02-12 16:24:11 UTC ---
I am just rebuilding (Updated to revision 195983.) and noticed
/home/data/newsoft/gcc-build/./gcc/xgcc -B/home/data/newsoft/gcc-build/./gcc/
-B/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/bin/
-B/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/lib/ -isystem
/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/include -isystem
/afs/cern.ch/user/i/innocent/w2/x86_64-unknown-linux-gnu/sys-include -g -O2
-ftree-vectorize -fPIC -O2 -g -O2 -ftree-vectorize -fPIC -DIN_GCC -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition -isystem ./include -I. -I.
-I../.././gcc -I../../../gcc-trunk/libgcc -I../../../gcc-trunk/libgcc/.
-I../../../gcc-trunk/libgcc/../gcc -I../../../gcc-trunk/libgcc/../include
-I../../../gcc-trunk/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -g0
-finhibit-size-directive -fno-inline -fno-exceptions
-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize
-fno-stack-protector -I. -I. -I../.././gcc -I../../../gcc-trunk/libgcc
-I../../../gcc-trunk/libgcc/. -I../../../gcc-trunk/libgcc/../gcc
-I../../../gcc-trunk/libgcc/../include
-I../../../gcc-trunk/libgcc/config/libbid -DENABLE_DECIMAL_BID_FORMAT -o
crtend.o -MT crtend.o -MD -MP -MF crtend.dep -fno-omit-frame-pointer
-fno-asynchronous-unwind-tables -c ../../../gcc-trunk/libgcc/crtstuff.c
-DCRT_END
../../../gcc-trunk/libgcc/crtstuff.c: In function 'frame_dummy':
../../../gcc-trunk/libgcc/crtstuff.c:463:19: warning: array subscript is above
array bounds [-Warray-bounds]
if (__JCR_LIST__[0])
is this real or bogus?
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (8 preceding siblings ...)
2013-02-12 16:24 ` vincenzo.innocente at cern dot ch
@ 2013-02-12 23:50 ` pinskia at gcc dot gnu.org
2013-02-21 10:53 ` rguenth at gcc dot gnu.org
` (14 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: pinskia at gcc dot gnu.org @ 2013-02-12 23:50 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-12 23:50:03 UTC ---
(In reply to comment #9)
> ../../../gcc-trunk/libgcc/crtstuff.c: In function 'frame_dummy':
> ../../../gcc-trunk/libgcc/crtstuff.c:463:19: warning: array subscript is above
> array bounds [-Warray-bounds]
> if (__JCR_LIST__[0])
>
> is this real or bogus?
Real and bogus at the same time.
STATIC void *__JCR_LIST__[]
__attribute__ ((used, section(JCR_SECTION_NAME), aligned(sizeof(void*))))
= { };
So it has a size of 0 so reading 0 is above the array bounds but this is not
normal code.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (9 preceding siblings ...)
2013-02-12 23:50 ` pinskia at gcc dot gnu.org
@ 2013-02-21 10:53 ` rguenth at gcc dot gnu.org
2013-02-21 10:54 ` rguenth at gcc dot gnu.org
` (13 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-21 10:53 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-21 10:52:44 UTC ---
Author: rguenth
Date: Thu Feb 21 10:52:39 2013
New Revision: 196200
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196200
Log:
2013-02-21 Richard Biener <rguenther@suse.de>
PR tree-optimization/56415
Revert
2013-02-11 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
* tree-vrp.c (simplify_cond_using_ranges): Disable for the
first VRP run.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/tree-ssa/pr21559.c: Adjust.
* gcc.dg/tree-ssa/vrp17.c: Likewise.
* gcc.dg/tree-ssa/vrp18.c: Likewise.
* gcc.dg/tree-ssa/vrp23.c: Likewise.
* gcc.dg/tree-ssa/vrp24.c: Likewise.
Removed:
trunk/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/testsuite/gcc.dg/tree-ssa/pr21559.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp17.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp18.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp23.c
trunk/gcc/testsuite/gcc.dg/tree-ssa/vrp24.c
trunk/gcc/tree-vrp.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (10 preceding siblings ...)
2013-02-21 10:53 ` rguenth at gcc dot gnu.org
@ 2013-02-21 10:54 ` rguenth at gcc dot gnu.org
2013-03-08 15:33 ` rguenth at gcc dot gnu.org
` (12 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-02-21 10:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|RESOLVED |ASSIGNED
Version|unknown |4.8.0
Resolution|FIXED |
--- Comment #12 from Richard Biener <rguenth at gcc dot gnu.org> 2013-02-21 10:54:02 UTC ---
Re-open, patch has been reverted.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (11 preceding siblings ...)
2013-02-21 10:54 ` rguenth at gcc dot gnu.org
@ 2013-03-08 15:33 ` rguenth at gcc dot gnu.org
2013-03-22 14:48 ` [Bug tree-optimization/56273] [4.8/4.9 " jakub at gcc dot gnu.org
` (11 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2013-03-08 15:33 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Priority|P3 |P2
Status|ASSIGNED |NEW
AssignedTo|rguenth at gcc dot gnu.org |unassigned at gcc dot
| |gnu.org
--- Comment #13 from Richard Biener <rguenth at gcc dot gnu.org> 2013-03-08 15:33:17 UTC ---
I give up. We have to live with this false positive.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (12 preceding siblings ...)
2013-03-08 15:33 ` rguenth at gcc dot gnu.org
@ 2013-03-22 14:48 ` jakub at gcc dot gnu.org
2013-05-31 10:58 ` jakub at gcc dot gnu.org
` (10 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-03-22 14:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.8.0 |4.8.1
--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-22 14:43:00 UTC ---
GCC 4.8.0 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (13 preceding siblings ...)
2013-03-22 14:48 ` [Bug tree-optimization/56273] [4.8/4.9 " jakub at gcc dot gnu.org
@ 2013-05-31 10:58 ` jakub at gcc dot gnu.org
2013-10-16 9:48 ` jakub at gcc dot gnu.org
` (9 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-05-31 10:58 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.8.1 |4.8.2
--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.8.1 has been released.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (14 preceding siblings ...)
2013-05-31 10:58 ` jakub at gcc dot gnu.org
@ 2013-10-16 9:48 ` jakub at gcc dot gnu.org
2014-01-07 6:54 ` law at redhat dot com
` (8 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jakub at gcc dot gnu.org @ 2013-10-16 9:48 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.8.2 |4.8.3
--- Comment #16 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.8.2 has been released.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (15 preceding siblings ...)
2013-10-16 9:48 ` jakub at gcc dot gnu.org
@ 2014-01-07 6:54 ` law at redhat dot com
2014-05-22 9:02 ` [Bug tree-optimization/56273] [4.8/4.9/4.10 " rguenth at gcc dot gnu.org
` (7 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: law at redhat dot com @ 2014-01-07 6:54 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Jeffrey A. Law <law at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |law at redhat dot com
--- Comment #17 from Jeffrey A. Law <law at redhat dot com> ---
So what would be the problem with running DOM after full loop unrolling. We've
known since the early 90s that CSE/cprop after loop unrolling was profitable at
the RTL level. It wouldn't be a surprise at all that it'd be profitable at the
tree level. And presumably if we're doing full loop unrolling, then we're
typically an -O3 compile and the extra DOM or VRP pass would be justified from
a compile-time standpoint.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9/4.10 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (16 preceding siblings ...)
2014-01-07 6:54 ` law at redhat dot com
@ 2014-05-22 9:02 ` rguenth at gcc dot gnu.org
2014-12-19 13:26 ` [Bug tree-optimization/56273] [4.8/4.9/5 " jakub at gcc dot gnu.org
` (6 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2014-05-22 9:02 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.8.3 |4.8.4
--- Comment #18 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 4.8.3 is being released, adjusting target milestone.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9/5 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (17 preceding siblings ...)
2014-05-22 9:02 ` [Bug tree-optimization/56273] [4.8/4.9/4.10 " rguenth at gcc dot gnu.org
@ 2014-12-19 13:26 ` jakub at gcc dot gnu.org
2015-01-27 9:50 ` [Bug tree-optimization/56273] [4.8/4.9 " rguenth at gcc dot gnu.org
` (5 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: jakub at gcc dot gnu.org @ 2014-12-19 13:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.8.4 |4.8.5
--- Comment #19 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 4.8.4 has been released.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (18 preceding siblings ...)
2014-12-19 13:26 ` [Bug tree-optimization/56273] [4.8/4.9/5 " jakub at gcc dot gnu.org
@ 2015-01-27 9:50 ` rguenth at gcc dot gnu.org
2015-01-27 9:50 ` rguenth at gcc dot gnu.org
` (4 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-01-27 9:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |5.0
Summary|[4.8/4.9/5 regression] |[4.8/4.9 regression] Bogus
|Bogus -Warray-bounds |-Warray-bounds warning
|warning |
--- Comment #20 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed in GCC 5.
--- Comment #21 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 27 09:49:29 2015
New Revision: 220157
URL: https://gcc.gnu.org/viewcvs?rev=220157&root=gcc&view=rev
Log:
2015-01-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
PR tree-optimization/59124
PR tree-optimization/64277
* tree-vrp.c (vrp_finalize): Emit array-bound warnings only
from the first VRP pass.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/Warray-bounds-12.c: Likewise.
* gcc.dg/Warray-bounds-13.c: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
trunk/gcc/testsuite/gcc.dg/Warray-bounds-12.c
trunk/gcc/testsuite/gcc.dg/Warray-bounds-13.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (19 preceding siblings ...)
2015-01-27 9:50 ` [Bug tree-optimization/56273] [4.8/4.9 " rguenth at gcc dot gnu.org
@ 2015-01-27 9:50 ` rguenth at gcc dot gnu.org
2015-01-27 11:03 ` rguenth at gcc dot gnu.org
` (3 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-01-27 9:50 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to work| |5.0
Summary|[4.8/4.9/5 regression] |[4.8/4.9 regression] Bogus
|Bogus -Warray-bounds |-Warray-bounds warning
|warning |
--- Comment #20 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed in GCC 5.
--- Comment #21 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Jan 27 09:49:29 2015
New Revision: 220157
URL: https://gcc.gnu.org/viewcvs?rev=220157&root=gcc&view=rev
Log:
2015-01-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
PR tree-optimization/59124
PR tree-optimization/64277
* tree-vrp.c (vrp_finalize): Emit array-bound warnings only
from the first VRP pass.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/Warray-bounds-12.c: Likewise.
* gcc.dg/Warray-bounds-13.c: Likewise.
Added:
trunk/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
trunk/gcc/testsuite/gcc.dg/Warray-bounds-12.c
trunk/gcc/testsuite/gcc.dg/Warray-bounds-13.c
Modified:
trunk/gcc/ChangeLog
trunk/gcc/testsuite/ChangeLog
trunk/gcc/tree-vrp.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (20 preceding siblings ...)
2015-01-27 9:50 ` rguenth at gcc dot gnu.org
@ 2015-01-27 11:03 ` rguenth at gcc dot gnu.org
2015-02-19 14:14 ` rguenth at gcc dot gnu.org
` (2 subsequent siblings)
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-01-27 11:03 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
--- Comment #22 from Richard Biener <rguenth at gcc dot gnu.org> ---
Mine for backporting.
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8/4.9 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (21 preceding siblings ...)
2015-01-27 11:03 ` rguenth at gcc dot gnu.org
@ 2015-02-19 14:14 ` rguenth at gcc dot gnu.org
2015-02-24 13:05 ` [Bug tree-optimization/56273] [4.8 " rguenth at gcc dot gnu.org
2015-02-24 13:19 ` rguenth at gcc dot gnu.org
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-19 14:14 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #23 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Thu Feb 19 14:13:16 2015
New Revision: 220815
URL: https://gcc.gnu.org/viewcvs?rev=220815&root=gcc&view=rev
Log:
2015-02-19 Richard Biener <rguenther@suse.de>
Backport from mainline
2014-12-09 Richard Biener <rguenther@suse.de>
PR middle-end/64199
* fold-const.c (fold_binary_loc): Use TREE_OVERFLOW_P.
* gcc.dg/torture/pr64199.c: New testcase.
2015-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/64493
PR tree-optimization/64495
* tree-vect-loop.c (vect_finalize_reduction): For double-reductions
assign the proper vectorized PHI to the inner loop exit PHIs.
* gcc.dg/vect/pr64493.c: New testcase.
* gcc.dg/vect/pr64495.c: Likewise.
2015-01-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
PR tree-optimization/59124
PR tree-optimization/64277
* tree-vrp.c (vrp_finalize): Emit array-bound warnings only
from the first VRP pass.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/Warray-bounds-12.c: Likewise.
* gcc.dg/Warray-bounds-13.c: Likewise.
2015-02-19 Richard Biener <rguenther@suse.de>
Backport from mainline
2015-01-15 Richard Biener <rguenther@suse.de>
PR middle-end/64365
* tree-data-ref.c (dr_analyze_indices): Make sure that accesses
for MEM_REF access functions with the same base can never partially
overlap.
* gcc.dg/torture/pr64365.c: New testcase.
Added:
branches/gcc-4_9-branch/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/Warray-bounds-12.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/Warray-bounds-13.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr64199.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/torture/pr64365.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr64493.c
branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/vect/pr64495.c
Modified:
branches/gcc-4_9-branch/gcc/ChangeLog
branches/gcc-4_9-branch/gcc/fold-const.c
branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
branches/gcc-4_9-branch/gcc/tree-data-ref.c
branches/gcc-4_9-branch/gcc/tree-vect-loop.c
branches/gcc-4_9-branch/gcc/tree-vrp.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (22 preceding siblings ...)
2015-02-19 14:14 ` rguenth at gcc dot gnu.org
@ 2015-02-24 13:05 ` rguenth at gcc dot gnu.org
2015-02-24 13:19 ` rguenth at gcc dot gnu.org
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-24 13:05 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
--- Comment #24 from Richard Biener <rguenth at gcc dot gnu.org> ---
Author: rguenth
Date: Tue Feb 24 12:49:11 2015
New Revision: 220939
URL: https://gcc.gnu.org/viewcvs?rev=220939&root=gcc&view=rev
Log:
2015-02-24 Richard Biener <rguenther@suse.de>
Backport from mainline
2015-01-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/56273
PR tree-optimization/59124
PR tree-optimization/64277
* tree-vrp.c (vrp_finalize): Emit array-bound warnings only
from the first VRP pass.
* g++.dg/warn/Warray-bounds-6.C: New testcase.
* gcc.dg/Warray-bounds-12.c: Likewise.
* gcc.dg/Warray-bounds-13.c: Likewise.
Added:
branches/gcc-4_8-branch/gcc/testsuite/g++.dg/warn/Warray-bounds-6.C
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/Warray-bounds-12.c
branches/gcc-4_8-branch/gcc/testsuite/gcc.dg/Warray-bounds-13.c
Modified:
branches/gcc-4_8-branch/gcc/ChangeLog
branches/gcc-4_8-branch/gcc/testsuite/ChangeLog
branches/gcc-4_8-branch/gcc/tree-vrp.c
^ permalink raw reply [flat|nested] 26+ messages in thread
* [Bug tree-optimization/56273] [4.8 regression] Bogus -Warray-bounds warning
2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
` (23 preceding siblings ...)
2015-02-24 13:05 ` [Bug tree-optimization/56273] [4.8 " rguenth at gcc dot gnu.org
@ 2015-02-24 13:19 ` rguenth at gcc dot gnu.org
24 siblings, 0 replies; 26+ messages in thread
From: rguenth at gcc dot gnu.org @ 2015-02-24 13:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56273
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
Known to fail| |4.8.4
--- Comment #25 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 26+ messages in thread
end of thread, other threads:[~2015-02-24 12:50 UTC | newest]
Thread overview: 26+ messages (download: mbox.gz / follow: Atom feed)
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2013-02-10 7:05 [Bug other/56273] New: [4.8 regression] Bogus -Warray-bounds warning daniel at constexpr dot org
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2013-02-10 7:35 ` [Bug tree-optimization/56273] " pinskia at gcc dot gnu.org
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2013-02-11 9:33 ` rguenth at gcc dot gnu.org
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2013-03-08 15:33 ` rguenth at gcc dot gnu.org
2013-03-22 14:48 ` [Bug tree-optimization/56273] [4.8/4.9 " jakub at gcc dot gnu.org
2013-05-31 10:58 ` jakub at gcc dot gnu.org
2013-10-16 9:48 ` jakub at gcc dot gnu.org
2014-01-07 6:54 ` law at redhat dot com
2014-05-22 9:02 ` [Bug tree-optimization/56273] [4.8/4.9/4.10 " rguenth at gcc dot gnu.org
2014-12-19 13:26 ` [Bug tree-optimization/56273] [4.8/4.9/5 " jakub at gcc dot gnu.org
2015-01-27 9:50 ` [Bug tree-optimization/56273] [4.8/4.9 " rguenth at gcc dot gnu.org
2015-01-27 9:50 ` rguenth at gcc dot gnu.org
2015-01-27 11:03 ` rguenth at gcc dot gnu.org
2015-02-19 14:14 ` rguenth at gcc dot gnu.org
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