https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102314
Bug ID: 102314
Summary: [11/12 Regression] ICE in verify_ssa, at
tree-ssa.c:1076
Product: gcc
Version: 12.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20210606 and 20210613 :
$ cat z1.f90
program p
character(:), allocatable :: y
call s(y)
!$omp target
y = 'abc'
!$omp end target
contains
subroutine s(x)
character(:), allocatable :: x
x = '123'
end
end
$ gfortran-12-20210905 -c z1.f90 -fopenmp -O0
$
$ gfortran-12-20210905 -c z1.f90 -fopenmp -O2
during GIMPLE pass: ccp
z1.f90:4:15:
4 | !$omp target
| ^
internal compiler error: Segmentation fault
0xd09e4f crash_signal
../../gcc/toplev.c:328
0xde9ef1 gimple_code
../../gcc/gimple.h:1803
0xde9ef1 gimple_nop_p
../../gcc/gimple.h:6673
0xde9ef1 get_default_value
../../gcc/tree-ssa-ccp.c:283
0xdea60a get_value
../../gcc/tree-ssa-ccp.c:376
0xdea60a ccp_finalize
../../gcc/tree-ssa-ccp.c:992
0xdeac64 do_ssa_ccp
../../gcc/tree-ssa-ccp.c:2960
0xdeac64 execute
../../gcc/tree-ssa-ccp.c:3003
---
$ gfortran-12-20210905 -c z1.f90 -fopenmp # with --enable-checking=yes
during GIMPLE pass: ssa
z1.f90:4:15:
4 | !$omp target
| ^
internal compiler error: Segmentation fault
0xeace0f crash_signal
../../gcc/toplev.c:328
0x11327f0 verify_ssa(bool, bool)
../../gcc/tree-ssa.c:1076
0xdb3187 execute_function_todo
../../gcc/passes.c:2049
0xdb3ef2 execute_todo
../../gcc/passes.c:2096
