http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57373
Bug ID: 57373
Summary: ICE on invalid: insert_bbt(): Duplicate key found!
Product: gcc
Version: 4.9.0
Status: UNCONFIRMED
Severity: minor
Priority: P3
Component: fortran
Assignee: unassigned at gcc dot gnu.org
Reporter: bugs at stellardeath dot org
Created attachment 30165
--> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30165&action=edit
Minimal test case
The following invalid code (with a number instead of an identifier for the
function argument) produces an internal error:
> cat minimal.f90
interface foo
function A(0) result(r)
function A(0) result(r)
end interface
>
> ~/sys/bin/gfortran minimal.f90
minimal.f90:2.15:
function A(0) result(r)
1
Error: Expected formal argument list in function definition at (1)
minimal.f90:3.14:
function A(0) result(r)
1
Internal Error at (1):
insert_bbt(): Duplicate key found!
> ~/sys/bin/gfortran --version
GNU Fortran (GCC) 4.9.0 20130517 (experimental)
Copyright (C) 2013 Free Software Foundation, Inc.
GNU Fortran comes with NO WARRANTY, to the extent permitted by law.
You may redistribute copies of GNU Fortran
under the terms of the GNU General Public License.
For more information about these matters, see the file named COPYING
>
Here, ~/sys/bin/gfortran is self-compiled, however it happens already with
verion 4.7.2 that is supplied with openSUSE 12.3.
