https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92872
Bug ID: 92872
Summary: [10 Regression] ICE in build_fold_indirect_ref_loc, at
fold-const.c:14842
Product: gcc
Version: 10.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: gs...@t-online.de
Target Milestone: ---
Changed between 20190929 and 20191006 :
(with a legal z0 for reference)
$ cat z0.f90
subroutine s(x)
integer, allocatable, optional :: x(:)
x = [1, 2, 3]
end
$ gfortran-10-20191208 -c z0.f90
$ cat z1.f90
subroutine s(x) bind(c)
integer, allocatable, optional :: x(:)
x = [1, 2, 3]
end
$ gfortran-10-20190929 -c z1.f90
$
$ gfortran-10-20191208 -c z1.f90
z1.f90:3:0:
3 | x = [1, 2, 3]
|
internal compiler error: Segmentation fault
0xd05dff crash_signal
../../gcc/toplev.c:328
0x9821e4 contains_struct_check(tree_node*, tree_node_structure_enum, char
const*, int, char const*)
../../gcc/tree.h:3386
0x9821e4 build_fold_indirect_ref_loc(unsigned int, tree_node*)
../../gcc/fold-const.c:14842
0x715eef gfc_conv_scalarized_array_ref
../../gcc/fortran/trans-array.c:3511
0x716c54 gfc_conv_array_ref(gfc_se*, gfc_array_ref*, gfc_expr*, locus*)
../../gcc/fortran/trans-array.c:3641
0x75679e gfc_conv_variable
../../gcc/fortran/trans-expr.c:2808
0x7514ba gfc_conv_expr(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:8665
0x75d677 gfc_trans_assignment_1
../../gcc/fortran/trans-expr.c:10884
0x709ee7 trans_code
../../gcc/fortran/trans.c:1864
0x74107d gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6801
0x6bafe6 translate_all_program_units
../../gcc/fortran/parse.c:6302
0x6bafe6 gfc_parse_file()
../../gcc/fortran/parse.c:6541
0x705fcf gfc_be_parse_file
../../gcc/fortran/f95-lang.c:210
