It seems something broke C_ASSOCIATED:
PROGRAM c_assoc
use iso_c_binding
type(c_ptr) :: x
PRINT *, C_ASSOCIATED(x)
END PROGRAM c_assoc
breaks here for me:
Starting program: /localdata/libexec/gcc/i686-pc-linux-gnu/4.4.3/f951 foo.f90
-quiet -dumpbase foo.f90 -mtune=generic -march=athlon64 -auxbase foo -version
-fintrinsic-modules-path /localdata/lib/gcc/i686-pc-linux-gnu/4.4.3/finclude -o
/tmp/ccEGPG6g.s
GNU Fortran (GCC) Version 4.4.3 (i686-pc-linux-gnu)
kompiliert von GNU-C-Version 4.4.3, GMP-Version 4.3.1, MPFR-Version
2.4.2.
GGC-Heuristik: --param ggc-min-expand=100 --param ggc-min-heapsize=131072
Program received signal SIGSEGV, Segmentation fault.
0x08135756 in gfc_conv_expr_reference (se=0xbfffed78, expr=0x8906ce8) at
../../gcc-4.4.3/gcc/fortran/trans-expr.c:3960
3960 && expr->value.function.esym->result->attr.pointer
(gdb) bt
#0 0x08135756 in gfc_conv_expr_reference (se=0xbfffed78, expr=0x8906ce8) at
../../gcc-4.4.3/gcc/fortran/trans-expr.c:3960
#1 0x08144681 in gfc_trans_transfer (code=0x8906d58) at
../../gcc-4.4.3/gcc/fortran/trans-io.c:2223
#2 0x0810db28 in gfc_trans_code (code=0x8906d58) at
../../gcc-4.4.3/gcc/fortran/trans.c:1207
#3 0x0814956f in build_dt (function=<value optimized out>, code=<value
optimized out>) at ../../gcc-4.4.3/gcc/fortran/trans-io.c:1803
#4 0x0810db58 in gfc_trans_code (code=0x8906e30) at
../../gcc-4.4.3/gcc/fortran/trans.c:1179
#5 0x0812d27d in gfc_generate_function_code (ns=0x88ff070) at
../../gcc-4.4.3/gcc/fortran/trans-decl.c:3886
#6 0x080c5215 in gfc_parse_file () at ../../gcc-4.4.3/gcc/fortran/parse.c:3851
#7 0x0810a18d in gfc_be_parse_file (set_yydebug=0) at
../../gcc-4.4.3/gcc/fortran/f95-lang.c:236
#8 0x0833b18a in compile_file (argc=14, argv=0xbffff304) at
../../gcc-4.4.3/gcc/toplev.c:970
#9 do_compile (argc=14, argv=0xbffff304) at ../../gcc-4.4.3/gcc/toplev.c:2197
#10 toplev_main (argc=14, argv=0xbffff304) at ../../gcc-4.4.3/gcc/toplev.c:2229
#11 0x0815c2bb in main (argc=14, argv=0xbffff304) at
../../gcc-4.4.3/gcc/main.c:35
--
Summary: ICE with C_ASSOCIATED
Product: gcc
Version: 4.4.3
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: fortran
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: dennis dot wassel at googlemail dot com
GCC host triplet: i686-pc-linux-gnu
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43303
