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* [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974
@ 2020-05-26 16:38 gscfq@t-online.de
2020-05-27 7:36 ` [Bug fortran/95338] [9/10/11 Regression] ICE non-trivial conversion in component_ref rguenth at gcc dot gnu.org
` (5 more replies)
0 siblings, 6 replies; 7+ messages in thread
From: gscfq@t-online.de @ 2020-05-26 16:38 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Bug ID: 95338
Summary: [9/10/11 Regression] ICE in eliminate_stmt, at
tree-ssa-sccvn.c:5974
Product: gcc
Version: 11.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gscfq@t-online.de
Target Milestone: ---
Changed between 20181202 and 20181209, with option -O1 :
$ cat z1.f90
module m
contains
function f(x)
integer :: x
integer :: f
real :: g
f = x
return
entry g(x)
g = x
end
end
program p
use m
print *, f(1)
print *, g(1)
end
$ gfortran-11-20200524 -c z1.f90 -O2 -ff2c
$
$ gfortran-11-20200524 -c z1.f90 -O1 -ff2c
during GIMPLE pass: fre
z1.f90:6:0:
6 | real :: g
|
internal compiler error: in eliminate_stmt, at tree-ssa-sccvn.c:5974
0xd40f45 eliminate_dom_walker::eliminate_stmt(basic_block_def*,
gimple_stmt_iterator*)
../../gcc/tree-ssa-sccvn.c:5974
0xd45a90 process_bb
../../gcc/tree-ssa-sccvn.c:7173
0xd46fe1 do_rpo_vn
../../gcc/tree-ssa-sccvn.c:7657
0xd47f8a execute
../../gcc/tree-ssa-sccvn.c:7811
Configured with --enable-checking=yes :
$ gfortran-11-20200524 -c z1.f90 -O1 -ff2c
z1.f90:6:0:
6 | real :: g
|
Error: non-trivial conversion in 'component_ref'
real(kind=8)
real(kind=4)
D.3943 = __result.g;
z1.f90:6:0: internal compiler error: 'verify_gimple' failed
0xd9b27d verify_gimple_in_seq(gimple*)
../../gcc/tree-cfg.c:5113
0xa526b1 gimplify_body(tree_node*, bool)
../../gcc/gimplify.c:14919
0xa52967 gimplify_function_tree(tree_node*)
../../gcc/gimplify.c:14990
0x88d9e7 cgraph_node::analyze()
../../gcc/cgraphunit.c:671
0x890e21 analyze_functions
../../gcc/cgraphunit.c:1231
0x892042 symbol_table::finalize_compilation_unit()
../../gcc/cgraphunit.c:2975
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug fortran/95338] [9/10/11 Regression] ICE non-trivial conversion in component_ref
2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
@ 2020-05-27 7:36 ` rguenth at gcc dot gnu.org
2020-05-27 8:33 ` marxin at gcc dot gnu.org
` (4 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2020-05-27 7:36 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Target Milestone|--- |9.4
Last reconfirmed| |2020-05-27
Ever confirmed|0 |1
Priority|P3 |P4
Summary|[9/10/11 Regression] ICE in |[9/10/11 Regression] ICE
|eliminate_stmt, at |non-trivial conversion in
|tree-ssa-sccvn.c:5974 |component_ref
--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Looks like FE wrong-code.
Error: non-trivial conversion in ?component_ref?
real(kind=8)
real(kind=4)
D.3943 = __result.g;
so the FE outputs an assignment from float to double without the appropriate
conversion. Confirmed.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug fortran/95338] [9/10/11 Regression] ICE non-trivial conversion in component_ref
2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
2020-05-27 7:36 ` [Bug fortran/95338] [9/10/11 Regression] ICE non-trivial conversion in component_ref rguenth at gcc dot gnu.org
@ 2020-05-27 8:33 ` marxin at gcc dot gnu.org
2021-06-01 8:17 ` [Bug fortran/95338] [9/10/11/12 " rguenth at gcc dot gnu.org
` (3 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: marxin at gcc dot gnu.org @ 2020-05-27 8:33 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |marxin at gcc dot gnu.org
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
All releases I have (4.8.0) fail in verifier:
Error: non-trivial conversion in ‘component_ref’
real(kind=8)
real(kind=4)
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug fortran/95338] [9/10/11/12 Regression] ICE non-trivial conversion in component_ref
2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
2020-05-27 7:36 ` [Bug fortran/95338] [9/10/11 Regression] ICE non-trivial conversion in component_ref rguenth at gcc dot gnu.org
2020-05-27 8:33 ` marxin at gcc dot gnu.org
@ 2021-06-01 8:17 ` rguenth at gcc dot gnu.org
2022-05-27 9:42 ` [Bug fortran/95338] [10/11/12/13 " rguenth at gcc dot gnu.org
` (2 subsequent siblings)
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2021-06-01 8:17 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|9.4 |9.5
--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 9.4 is being released, retargeting bugs to GCC 9.5.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug fortran/95338] [10/11/12/13 Regression] ICE non-trivial conversion in component_ref
2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
` (2 preceding siblings ...)
2021-06-01 8:17 ` [Bug fortran/95338] [9/10/11/12 " rguenth at gcc dot gnu.org
@ 2022-05-27 9:42 ` rguenth at gcc dot gnu.org
2022-06-28 10:40 ` jakub at gcc dot gnu.org
2023-07-07 10:37 ` [Bug fortran/95338] [11/12/13/14 " rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2022-05-27 9:42 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|9.5 |10.4
--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 9 branch is being closed
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug fortran/95338] [10/11/12/13 Regression] ICE non-trivial conversion in component_ref
2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
` (3 preceding siblings ...)
2022-05-27 9:42 ` [Bug fortran/95338] [10/11/12/13 " rguenth at gcc dot gnu.org
@ 2022-06-28 10:40 ` jakub at gcc dot gnu.org
2023-07-07 10:37 ` [Bug fortran/95338] [11/12/13/14 " rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: jakub at gcc dot gnu.org @ 2022-06-28 10:40 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|10.4 |10.5
--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
GCC 10.4 is being released, retargeting bugs to GCC 10.5.
^ permalink raw reply [flat|nested] 7+ messages in thread
* [Bug fortran/95338] [11/12/13/14 Regression] ICE non-trivial conversion in component_ref
2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
` (4 preceding siblings ...)
2022-06-28 10:40 ` jakub at gcc dot gnu.org
@ 2023-07-07 10:37 ` rguenth at gcc dot gnu.org
5 siblings, 0 replies; 7+ messages in thread
From: rguenth at gcc dot gnu.org @ 2023-07-07 10:37 UTC (permalink / raw)
To: gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95338
Richard Biener <rguenth at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|10.5 |11.5
--- Comment #6 from Richard Biener <rguenth at gcc dot gnu.org> ---
GCC 10 branch is being closed.
^ permalink raw reply [flat|nested] 7+ messages in thread
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2020-05-26 16:38 [Bug fortran/95338] New: [9/10/11 Regression] ICE in eliminate_stmt, at tree-ssa-sccvn.c:5974 gscfq@t-online.de
2020-05-27 7:36 ` [Bug fortran/95338] [9/10/11 Regression] ICE non-trivial conversion in component_ref rguenth at gcc dot gnu.org
2020-05-27 8:33 ` marxin at gcc dot gnu.org
2021-06-01 8:17 ` [Bug fortran/95338] [9/10/11/12 " rguenth at gcc dot gnu.org
2022-05-27 9:42 ` [Bug fortran/95338] [10/11/12/13 " rguenth at gcc dot gnu.org
2022-06-28 10:40 ` jakub at gcc dot gnu.org
2023-07-07 10:37 ` [Bug fortran/95338] [11/12/13/14 " rguenth at gcc dot gnu.org
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