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* [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop
@ 2022-05-04 18:37 zsojka at seznam dot cz
2022-05-04 19:22 ` [Bug tree-optimization/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86 marxin at gcc dot gnu.org
` (9 more replies)
0 siblings, 10 replies; 11+ messages in thread
From: zsojka at seznam dot cz @ 2022-05-04 18:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
Bug ID: 105484
Summary: [12/13 Regression] ICE: verify_flow_info failed: BB 2
cannot throw but has an EH edge with -Os
-march=cannonlake -fnon-call-exceptions -fno-tree-dce
-fno-tree-forwprop
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Created attachment 52927
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52927&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -Os -march=cannonlake -fnon-call-exceptions
-fno-tree-dce -fno-tree-forwprop testcase.c
testcase.c: In function 'foo':
testcase.c:6:1: error: BB 2 cannot throw but has an EH edge
6 | foo (int i)
| ^~~
during GIMPLE pass: isel
testcase.c:6:1: internal compiler error: verify_flow_info failed
0xee6463 verify_flow_info()
/repo/gcc-trunk/gcc/cfghooks.cc:284
0x12f730a execute_function_todo
/repo/gcc-trunk/gcc/passes.cc:2097
0x12f788b execute_todo
/repo/gcc-trunk/gcc/passes.cc:2139
Please submit a full bug report, with preprocessed source (by using
-freport-bug).
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-112-20220504095402-g9c6a4beeed5-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-112-20220504095402-g9c6a4beeed5-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20220504 (experimental) (GCC)
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug tree-optimization/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
@ 2022-05-04 19:22 ` marxin at gcc dot gnu.org
2022-05-05 5:19 ` [Bug target/105484] " crazylht at gmail dot com
` (8 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: marxin at gcc dot gnu.org @ 2022-05-04 19:22 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Summary|[12/13 Regression] ICE: |[11/12/13 Regression] ICE:
|verify_flow_info failed: BB |verify_flow_info failed: BB
|2 cannot throw but has an |2 cannot throw but has an
|EH edge with -Os |EH edge with -Os
|-march=cannonlake |-march=cannonlake
|-fnon-call-exceptions |-fnon-call-exceptions
|-fno-tree-dce |-fno-tree-dce
|-fno-tree-forwprop |-fno-tree-forwprop since
| |r11-5074-g287cc750b0887e86
CC| |crazylht at gmail dot com,
| |marxin at gcc dot gnu.org
Last reconfirmed| |2022-05-04
Ever confirmed|0 |1
--- Comment #1 from Martin Liška <marxin at gcc dot gnu.org> ---
With -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce
-fno-tree-forwprop -c -fexceptions it started with r11-5074-g287cc750b0887e86.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
2022-05-04 19:22 ` [Bug tree-optimization/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86 marxin at gcc dot gnu.org
@ 2022-05-05 5:19 ` crazylht at gmail dot com
2022-05-05 7:18 ` crazylht at gmail dot com
` (7 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: crazylht at gmail dot com @ 2022-05-05 5:19 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
--- Comment #2 from Hongtao.liu <crazylht at gmail dot com> ---
I'll take a look.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
2022-05-04 19:22 ` [Bug tree-optimization/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86 marxin at gcc dot gnu.org
2022-05-05 5:19 ` [Bug target/105484] " crazylht at gmail dot com
@ 2022-05-05 7:18 ` crazylht at gmail dot com
2022-05-05 7:26 ` rguenth at gcc dot gnu.org
` (6 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: crazylht at gmail dot com @ 2022-05-05 7:18 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
--- Comment #3 from Hongtao.liu <crazylht at gmail dot com> ---
Similar like PR104450, don't expand stmt to vec_set when there's EH on it.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (2 preceding siblings ...)
2022-05-05 7:18 ` crazylht at gmail dot com
@ 2022-05-05 7:26 ` rguenth at gcc dot gnu.org
2022-05-05 7:37 ` rguenth at gcc dot gnu.org
` (5 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-05-05 7:26 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|--- |11.4
Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org
Status|NEW |ASSIGNED
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
@@ -8,11 +21,15 @@
int _1;
complex int _4;
void * _10;
+ vector(4) int _12;
+ vector(4) int _13;
<bb 2> [local count: 1073741824]:
_4 = .MUL_OVERFLOW (i_3(D), 7);
_1 = REALPART_EXPR <_4>;
- VIEW_CONVERT_EXPR<int[4]>(v)[i_3(D)] = _1;
+ _12 = v;
+ _13 = .VEC_SET (_12, _1, i_3(D));
+ v = _13;
<bb 3> [local count: 1073741824]:
bar (0);
now I think in this case we can simply clear EH since the replacement can
no longer throw.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (3 preceding siblings ...)
2022-05-05 7:26 ` rguenth at gcc dot gnu.org
@ 2022-05-05 7:37 ` rguenth at gcc dot gnu.org
2022-05-05 8:37 ` cvs-commit at gcc dot gnu.org
` (4 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-05-05 7:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
--- Comment #5 from Richard Biener <rguenth at gcc dot gnu.org> ---
Created attachment 52929
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=52929&action=edit
patch in testing
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (4 preceding siblings ...)
2022-05-05 7:37 ` rguenth at gcc dot gnu.org
@ 2022-05-05 8:37 ` cvs-commit at gcc dot gnu.org
2022-05-05 8:37 ` [Bug target/105484] [11/12 " rguenth at gcc dot gnu.org
` (3 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-05-05 8:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
--- Comment #6 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:e1a41143a2e24c65d94364fd82b165ff71a759d8
commit r13-129-ge1a41143a2e24c65d94364fd82b165ff71a759d8
Author: Richard Biener <rguenther@suse.de>
Date: Thu May 5 09:34:59 2022 +0200
tree-optimization/105484 - VEC_SET and EH
When the IL representation of VEC_SET is marked as throwing
(unnecessarily), we need to clean that when replacing it with
the .VEC_SET internal function call which cannot throw.
2022-05-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/105484
* gimple-isel.cc (gimple_expand_vec_set_expr): Clean EH, return
whether the CFG changed.
(gimple_expand_vec_exprs): When the CFG changed, clean it up.
* gcc.dg/torture/pr105484.c: New testcase.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (5 preceding siblings ...)
2022-05-05 8:37 ` cvs-commit at gcc dot gnu.org
@ 2022-05-05 8:37 ` rguenth at gcc dot gnu.org
2022-05-06 9:28 ` cvs-commit at gcc dot gnu.org
` (2 subsequent siblings)
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-05-05 8:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Known to fail|13.0 |
Priority|P3 |P2
Known to work| |13.0
Summary|[11/12/13 Regression] ICE: |[11/12 Regression] ICE:
|verify_flow_info failed: BB |verify_flow_info failed: BB
|2 cannot throw but has an |2 cannot throw but has an
|EH edge with -Os |EH edge with -Os
|-march=cannonlake |-march=cannonlake
|-fnon-call-exceptions |-fnon-call-exceptions
|-fno-tree-dce |-fno-tree-dce
|-fno-tree-forwprop since |-fno-tree-forwprop since
|r11-5074-g287cc750b0887e86 |r11-5074-g287cc750b0887e86
--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed on trunk sofar.
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11/12 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (6 preceding siblings ...)
2022-05-05 8:37 ` [Bug target/105484] [11/12 " rguenth at gcc dot gnu.org
@ 2022-05-06 9:28 ` cvs-commit at gcc dot gnu.org
2023-04-17 10:45 ` [Bug target/105484] [11 " cvs-commit at gcc dot gnu.org
2023-04-17 10:45 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2022-05-06 9:28 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
--- Comment #8 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:f2c2ebb9eed4fa38a3e56dad4a2339a989b11e87
commit r12-8345-gf2c2ebb9eed4fa38a3e56dad4a2339a989b11e87
Author: Richard Biener <rguenther@suse.de>
Date: Thu May 5 09:34:59 2022 +0200
tree-optimization/105484 - VEC_SET and EH
When the IL representation of VEC_SET is marked as throwing
(unnecessarily), we need to clean that when replacing it with
the .VEC_SET internal function call which cannot throw.
2022-05-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/105484
* gimple-isel.cc (gimple_expand_vec_set_expr): Clean EH, return
whether the CFG changed.
(gimple_expand_vec_exprs): When the CFG changed, clean it up.
* gcc.dg/torture/pr105484.c: New testcase.
(cherry picked from commit e1a41143a2e24c65d94364fd82b165ff71a759d8)
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (7 preceding siblings ...)
2022-05-06 9:28 ` cvs-commit at gcc dot gnu.org
@ 2023-04-17 10:45 ` cvs-commit at gcc dot gnu.org
2023-04-17 10:45 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: cvs-commit at gcc dot gnu.org @ 2023-04-17 10:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:
https://gcc.gnu.org/g:caf0a30b17a639ee19ff4c138d3be0325d0be745
commit r11-10632-gcaf0a30b17a639ee19ff4c138d3be0325d0be745
Author: Richard Biener <rguenther@suse.de>
Date: Thu May 5 09:34:59 2022 +0200
tree-optimization/105484 - VEC_SET and EH
When the IL representation of VEC_SET is marked as throwing
(unnecessarily), we need to clean that when replacing it with
the .VEC_SET internal function call which cannot throw.
2022-05-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/105484
* gimple-isel.cc (gimple_expand_vec_set_expr): Clean EH, return
whether the CFG changed.
(gimple_expand_vec_exprs): When the CFG changed, clean it up.
* gcc.dg/torture/pr105484.c: New testcase.
(cherry picked from commit e1a41143a2e24c65d94364fd82b165ff71a759d8)
^ permalink raw reply [flat|nested] 11+ messages in thread
* [Bug target/105484] [11 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86
2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
` (8 preceding siblings ...)
2023-04-17 10:45 ` [Bug target/105484] [11 " cvs-commit at gcc dot gnu.org
@ 2023-04-17 10:45 ` rguenth at gcc dot gnu.org
9 siblings, 0 replies; 11+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-04-17 10:45 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105484
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Known to fail| |11.3.0
Resolution|--- |FIXED
Known to work| |11.3.1
--- Comment #10 from Richard Biener <rguenth at gcc dot gnu.org> ---
Fixed.
^ permalink raw reply [flat|nested] 11+ messages in thread
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2022-05-04 18:37 [Bug tree-optimization/105484] New: [12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop zsojka at seznam dot cz
2022-05-04 19:22 ` [Bug tree-optimization/105484] [11/12/13 Regression] ICE: verify_flow_info failed: BB 2 cannot throw but has an EH edge with -Os -march=cannonlake -fnon-call-exceptions -fno-tree-dce -fno-tree-forwprop since r11-5074-g287cc750b0887e86 marxin at gcc dot gnu.org
2022-05-05 5:19 ` [Bug target/105484] " crazylht at gmail dot com
2022-05-05 7:18 ` crazylht at gmail dot com
2022-05-05 7:26 ` rguenth at gcc dot gnu.org
2022-05-05 7:37 ` rguenth at gcc dot gnu.org
2022-05-05 8:37 ` cvs-commit at gcc dot gnu.org
2022-05-05 8:37 ` [Bug target/105484] [11/12 " rguenth at gcc dot gnu.org
2022-05-06 9:28 ` cvs-commit at gcc dot gnu.org
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2023-04-17 10:45 ` rguenth at gcc dot gnu.org
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