The following - valid? - program produces an ICE in gfortran.
Full program: http://atom.princeton.edu/donev/Fortran/DLL/dlfcn.f90
(Should be checked after the problem in the snippet below has been fixed.)
END MODULE ISO_C_UTILITIES
1
Internal Error at (1):
gfc_basic_typename(): Undefined type
(This snippet compiles with g95 and NAG f95, however, the generated C code of
NAG f95 does not compile with gcc ["In function
'iso_c_utilities_MP_c_f_string': conflicting types for 'strlen'"].)
MODULE ISO_C_UTILITIES
USE ISO_C_BINDING
implicit none
CHARACTER(C_CHAR), DIMENSION(1), SAVE, TARGET, PRIVATE :: dummy_string="?"
CONTAINS
FUNCTION C_F_STRING(CPTR) RESULT(FPTR)
TYPE(C_PTR), INTENT(IN) :: CPTR ! The C address
CHARACTER(KIND=C_CHAR), DIMENSION(:), POINTER :: FPTR
INTERFACE
FUNCTION strlen(string) RESULT(len) BIND(C,NAME="strlen")
USE ISO_C_BINDING
TYPE(C_PTR), VALUE :: string ! A C pointer
END FUNCTION
END INTERFACE
CALL C_F_POINTER(FPTR=FPTR, CPTR=CPTR, SHAPE=[strlen(CPTR)])
END FUNCTION
END MODULE ISO_C_UTILITIES
--
Summary: [ISO C Binding] Internal Error: gfc_basic_typename():
Undefined type
Product: gcc
Version: 4.3.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: burnus at gcc dot gnu dot org
OtherBugsDependingO 32630
nThis:
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32797
