https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124450
Bug ID: 124450
Summary: [16 Regression] trans-io.cc:2516: runtime error
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: dcb314 at hotmail dot com
Target Milestone: ---
For this Fortran 90 source code:
type tp1
integer(kind=4) :: t0(3)
integer(kind=4) :: t1(5)
end type tp1
type tc
type(tp1) :: xx(0) = tp1(1,2)
type(tp1) :: yy(0)
end type tc
type(tc) :: aa
type(tc) :: bb = tc(tp1(3,4),(tp1(5,6)))
print *, aa
print *, bb
end
from the fujitsu test suite at
https://github.com/fujitsu/compiler-test-suite
does this with recent gfortran:
$ for i in ~/gcc/results.202603*/bin/gfortran; do echo $i; $i -c -w
./trunk/Fortran/0370/0370_0013.f90 ; done
/home/dcb/gcc/results.20260305.ubsan/bin/gfortran
/home/dcb/gcc/results.20260309.ubsan/bin/gfortran
../../trunk/gcc/fortran/trans-io.cc:2516:40: runtime error: member access
within
null pointer of type 'struct gfc_code'
#0 0x009ff814 in transfer_expr ../../trunk/gcc/fortran/trans-io.cc:2516
#1 0x009fecc0 in transfer_array_component
../../trunk/gcc/fortran/trans-io.c
c:2227
#2 0x009fecc0 in transfer_expr ../../trunk/gcc/fortran/trans-io.cc:2516
#3 0x00a09dac in gfc_trans_transfer(gfc_code*)
../../trunk/gcc/fortran/trans
-io.cc:2734
The git range is g:ee8ca6c927ec949a .. g:ede3dd56e6324578
I found this bug on the raspberry PI, in 32 bit mode.
