https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100948
Bug ID: 100948
Summary: [12 Regression] ICE in gfc_conv_expr_val, at
fortran/trans-expr.c:9069
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: ---
This changed between 20210530 (accepted) and 20210606 (ICE) :
(see also pr83522)
$ cat z1.f90
program p
type t
character(:), allocatable :: c(:)
end type
type(t), allocatable :: x
associate (y => x%c(:)(:))
end associate
end
$ gfortran-12-20210530 -c z1.f90
$
$ gfortran-12-20210606 -c z1.f90
z1.f90:6:29:
6 | associate (y => x%c(:)(:))
| 1
internal compiler error: Segmentation fault
0xc79a6f crash_signal
../../gcc/toplev.c:327
0x7cf4f6 gfc_conv_expr_val(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-expr.c:9069
0x7cf723 gfc_conv_expr_type(gfc_se*, gfc_expr*, tree_node*)
../../gcc/fortran/trans-expr.c:9084
0x7cf723 gfc_get_expr_charlen(gfc_expr*)
../../gcc/fortran/trans-expr.c:2158
0x7a11bf gfc_get_array_span(tree_node*, gfc_expr*)
../../gcc/fortran/trans-array.c:873
0x7acab0 gfc_conv_expr_descriptor(gfc_se*, gfc_expr*)
../../gcc/fortran/trans-array.c:7740
0x80d462 trans_associate_var
../../gcc/fortran/trans-stmt.c:1917
0x8141f1 gfc_trans_block_construct(gfc_code*)
../../gcc/fortran/trans-stmt.c:2311
0x79e5a7 trans_code
../../gcc/fortran/trans.c:2014
0x7c4bc4 gfc_generate_function_code(gfc_namespace*)
../../gcc/fortran/trans-decl.c:6893
0x74b3f6 translate_all_program_units
../../gcc/fortran/parse.c:6461
0x74b3f6 gfc_parse_file()
../../gcc/fortran/parse.c:6730
0x79772f gfc_be_parse_file
../../gcc/fortran/f95-lang.c:212
