http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55272
Bug #: 55272
Summary: [4.8 Regression] ICE on passing coarray argument
between files
Classification: Unclassified
Product: gcc
Version: 4.8.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassig...@gcc.gnu.org
ReportedBy: domi...@lps.ens.fr
CC: bur...@gcc.gnu.org
>From http://gcc.gnu.org/ml/fortran/2012-11/msg00021.html
$ cat co_sum_module.f90
module co_sum_module
implicit none
contains
subroutine co_sum(scalar)
integer scalar[*]
end subroutine
end module
$ cat league.f90
program main
use co_sum_module
implicit none
integer score[*]
call co_sum(score)
end program
$ gfortran -c -fcoarray=single co_sum_module.f90
$ gfortran -fcoarray=single league.f90 co_sum_module.o
league.f90: In function 'MAIN__':
league.f90:5:0: internal compiler error: Segmentation fault: 11
call co_sum(score)
Revision 189780 (2012-07-23) is OK, revision 189986 (2012-07-30) gives the ICE.
The backtrace at r193387 is
#0 gfc_get_nodesc_array_type (etype=<value optimized out>, as=<value optimized
out>, packed=<value optimized out>, restricted=<value optimized out>)
at ../../_clean/gcc/fortran/trans-types.c:1574
#1 0x000000010011f778 in gfc_sym_type (sym=<value optimized out>) at
../../_clean/gcc/fortran/trans-types.c:2157
#2 0x000000010011e3a5 in gfc_get_function_type (sym=<value optimized out>) at
../../_clean/gcc/fortran/trans-types.c:2766
#3 0x00000001000e3bbe in gfc_get_extern_function_decl (sym=<value optimized
out>) at ../../_clean/gcc/fortran/trans-decl.c:1750
#4 0x00000001000efbf2 in gfc_conv_procedure_call (se=<value optimized out>,
sym=<value optimized out>, args=<value optimized out>,
expr=<value optimized out>, append_args=<value optimized out>) at
../../_clean/gcc/fortran/trans-expr.c:2675
#5 0x0000000100111b20 in gfc_trans_call (code=<value optimized out>,
dependency_check=<value optimized out>, mask=<value optimized out>,
count1=<value optimized out>, invert=<value optimized out>) at
../../_clean/gcc/fortran/trans-stmt.c:407
#6 0x00000001000c85f0 in trans_code (code=0x141514fb0, cond=0x0) at
../../_clean/gcc/fortran/trans.c:1385
#7 0x00000001000e7004 in gfc_generate_function_code (ns=<value optimized out>)
at ../../_clean/gcc/fortran/trans-decl.c:5349
#8 0x000000010008465f in gfc_parse_file () at
../../_clean/gcc/fortran/parse.c:4634
#9 0x00000001000c4376 in gfc_be_parse_file () at
../../_clean/gcc/fortran/f95-lang.c:191
#10 0x000000010066a509 in compile_file () at ../../_clean/gcc/toplev.c:544
#11 0x000000010066c369 in toplev_main (argc=4, argv=0x7fff5fbfd758) at
../../_clean/gcc/toplev.c:1864
#12 0x000000010000acb4 in start (pc=<value optimized out>, bases=0x0) at
../../../_clean/libgcc/config/unwind-dw2-fde-darwin.c:271
The ICE disappears if I revert revision 189881 on top of 193391.
Note that the ICE can be reproduced with a single file compiled with
-fcoarray=single -fno-whole-file.
