https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64591
Bug ID: 64591
Summary: ICE on use association of renamed extended type
Product: gcc
Version: 5.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: damian at sourceryinstitute dot org
The code below generates an ICE related to subsequent use association of a
renamed extended type.
Damian
$cat ice-use-renamed-extended-type.f90
module FTL_CaseInsensitiveString_mod
implicit none
type Object
end type
type, extends(Object) :: CaseInsensitiveString
end type
end module
module FTL_CIString_mod
use FTL_CaseInsensitiveString_mod, only: CIString => CaseInsensitiveString
end module
module FTL_CIStringXPair_mod
use FTL_CIString_mod
end module
$gfortran -c ice-use-renamed-extended-type.f90
f951: internal compiler error: Segmentation fault
0xb81e3f crash_signal
../../gcc-trunk/gcc/toplev.c:359
0x686c58 load_derived_extensions
../../gcc-trunk/gcc/fortran/module.c:4578
0x686c58 read_module
../../gcc-trunk/gcc/fortran/module.c:5229
0x686c58 gfc_use_module
../../gcc-trunk/gcc/fortran/module.c:6875
0x6884e6 gfc_use_modules()
../../gcc-trunk/gcc/fortran/module.c:6999
0x690119 use_modules
../../gcc-trunk/gcc/fortran/parse.c:116
0x69265c decode_statement
../../gcc-trunk/gcc/fortran/parse.c:332
0x6939a2 next_free
../../gcc-trunk/gcc/fortran/parse.c:927
0x6939a2 next_statement
../../gcc-trunk/gcc/fortran/parse.c:1122
0x6942db parse_spec
../../gcc-trunk/gcc/fortran/parse.c:3065
0x697343 parse_module
../../gcc-trunk/gcc/fortran/parse.c:4757
0x697343 gfc_parse_file()
../../gcc-trunk/gcc/fortran/parse.c:5063
0x6d62b5 gfc_be_parse_file
../../gcc-trunk/gcc/fortran/f95-lang.c:222
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
$gfortran --version | head -1
GNU Fortran (GCC) 5.0.0 20141222 (experimental)
