https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102387
Bug ID: 102387
Summary: [12 Regression] ICE Segmentation fault since
r12-2429-g62acc72a957b5614
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: tree-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: marxin at gcc dot gnu.org
CC: richard.sandiford at arm dot com
Target Milestone: ---
The following crashes:
$ cat loop.f90
integer, dimension (3, 3) :: a
call test1(a, (/123456/))
call test1(a(:2, :), (/124578/))
contains
subroutine test1(p, q)
integer, dimension(*) :: p
integer, dimension(:) :: q
if (any (p(size0) .ne. q)) STOP
end
end
$ gfortran loop.f90 --param=unroll-jam-min-percent=0 -Ofast -fno-tree-ch
--param=max-completely-peeled-insns=1 --param=early-inlining-insns=100
-fno-tree-vrp
loop.f90:8:14:
8 | if (any (p(size0) .ne. q)) STOP
| 1
Warning: Legacy Extension: REAL array index at (1)
during GIMPLE pass: unrolljam
loop.f90:3:35:
3 | call test1(a(:2, :), (/124578/))
| ^
internal compiler error: Segmentation fault
0xf7a54a crash_signal
/home/marxin/Programming/gcc/gcc/toplev.c:328
0x7ffff786239f ???
../sysdeps/unix/sysv/linux/sigaction.c:10
0x10ef65c tree_transform_and_unroll_loop(loop*, unsigned int, edge_def*,
tree_niter_desc*, void (*)(loop*, void*), void*)
/home/marxin/Programming/gcc/gcc/tree-ssa-loop-manip.c:1425
0x1bc688b tree_loop_unroll_and_jam
/home/marxin/Programming/gcc/gcc/gimple-loop-jam.c:590
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
