[Bug middle-end/46512] New: [4.6 Regression] rtstuff.c:563:1: internal compiler error: Segmentation fault

[Bug middle-end/46512] New: [4.6 Regression] rtstuff.c:563:1: internal compiler error: Segmentation fault

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46512

           Summary: [4.6 Regression] rtstuff.c:563:1: internal compiler
                    error: Segmentation fault
           Product: gcc
           Version: 4.6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: middle-end
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa-unknown-linux-gnu
            Target: hppa-unknown-linux-gnu
             Build: hppa-unknown-linux-gnu


/home2/dave/gcc-4.6/objdir/./gcc/xgcc -B/home2/dave/gcc-4.6/objdir/./gcc/
-B/hom
e2/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/bin/
-B/home2/dave/opt/gnu/gcc/gcc-4.6.
0/hppa-linux/lib/ -isystem /home2/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/include 
-isystem /home2/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/sys-include    -g -O2 -O2 
-g -O2 -DIN_GCC   -W -Wall -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmis
sing-prototypes -Wold-style-definition  -isystem ./include  -I. -I.
-I../../gcc/
gcc -I../../gcc/gcc/. -I../../gcc/gcc/../include
-I../../gcc/gcc/../libcpp/inclu
de  -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd
-I../lib
decnumber    -g0 -finhibit-size-directive -fno-inline -fno-exceptions
-fno-zero-
initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize
-fno-stack-protecto
r  -I. -I. -I../.././gcc -I../../../gcc/libgcc -I../../../gcc/libgcc/.
-I../../.
./gcc/libgcc/../gcc -I../../../gcc/libgcc/../include  -o crtend.o -MT crtend.o
-
MD -MP -MF crtend.dep  \
          -c ../../../gcc/libgcc/../gcc/crtstuff.c -DCRT_END
../../../gcc/libgcc/../gcc/crtstuff.c: In function 'frame_dummy':
../../../gcc/libgcc/../gcc/crtstuff.c:372:19: warning: array subscript is above 
array bounds [-Warray-bounds]
../../../gcc/libgcc/../gcc/crtstuff.c: In function '__do_global_ctors_aux':
../../../gcc/libgcc/../gcc/crtstuff.c:566:25: warning: array subscript is below 
array bounds [-Warray-bounds]
../../../gcc/libgcc/../gcc/crtstuff.c:563:1: internal compiler error:
Segmentati
on fault
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
make[3]: *** [crtend.o] Error 1
make[3]: *** Waiting for unfinished jobs....
make[3]: Leaving directory `/home2/dave/gcc-4.6/objdir/hppa-linux/libgcc'
make[2]: *** [all-stage1-target-libgcc] Error 2
make[2]: Leaving directory `/home2/dave/gcc-4.6/objdir'
make[1]: *** [stage1-bubble] Error 2
make[1]: Leaving directory `/home2/dave/gcc-4.6/objdir'
make: *** [bootstrap] Error 2
Tue Nov 16 16:20:17 PST 2010

(gdb) r
Starting program: /home2/dave/gcc-4.6/objdir/gcc/cc1 -I . -I . -I ../../gcc/gcc
-I ../../gcc/gcc/. -I ../../gcc/gcc/../include -I
../../gcc/gcc/../libcpp/include -I ../../gcc/gcc/../libdecnumber -I
../../gcc/gcc/../libdecnumber/dpd -I ../libdecnumber -I . -I . -I ../.././gcc
-I ../../../gcc/libgcc -I ../../../gcc/libgcc/. -I ../../../gcc/libgcc/../gcc
-I ../../../gcc/libgcc/../include -iprefix
/home2/dave/gcc-4.6/objdir/gcc/../lib/gcc/hppa-linux/4.6.0/ -isystem
/home2/dave/gcc-4.6/objdir/./gcc/include -isystem
/home2/dave/gcc-4.6/objdir/./gcc/include-fixed -MD crtend.d -MF crtend.dep -MP
-MT crtend.o -D IN_GCC -D CRT_END -isystem
/home2/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/include -isystem
/home2/dave/opt/gnu/gcc/gcc-4.6.0/hppa-linux/sys-include -isystem ./include
../../../gcc/libgcc/../gcc/crtstuff.c -quiet -dumpbase crtstuff.c
-auxbase-strip crtend.o -g -g -g0 -O2 -O2 -O2 -Wextra -Wall -Wwrite-strings
-Wcast-qual -Wstrict-prototypes -Wmissing-prototypes -Wold-style-definition
-version -finhibit-size-directive -fno-inline -fno-exceptions
-fno-zero-initialized-in-bss -fno-toplevel-reorder -fno-tree-vectorize
-fno-stack-protector -o xxx.s
GNU C (GCC) version 4.6.0 20101116 (experimental) [trunk revision 166834]
(hppa-linux)
    compiled by GNU C version 4.3.3, GMP version 4.3.2, MPFR version 3.0.0-p3,
MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
GNU C (GCC) version 4.6.0 20101116 (experimental) [trunk revision 166834]
(hppa-linux)
    compiled by GNU C version 4.3.3, GMP version 4.3.2, MPFR version 3.0.0-p3,
MPC version 0.8.2
GGC heuristics: --param ggc-min-expand=30 --param ggc-min-heapsize=4096
Compiler executable checksum: 14ecb7365bef8f219b8d7d1f9ab6f8f0
../../../gcc/libgcc/../gcc/crtstuff.c: In function '__do_global_ctors_aux':
../../../gcc/libgcc/../gcc/crtstuff.c:566:25: warning: array subscript is below
array bounds [-Warray-bounds]

Program received signal SIGSEGV, Segmentation fault.
0x02c78148 in pa_function_arg_boundary (mode=SImode, type=0x0)
    at ../../gcc/gcc/config/pa/pa.c:9611
9611      tree size = TYPE_SIZE (type);
(gdb) bt
#0  0x02c78148 in pa_function_arg_boundary (mode=SImode, type=0x0)
    at ../../gcc/gcc/config/pa/pa.c:9611
#1  0x00bfc58c in locate_and_pad_parm (passed_mode=SImode, type=0x0, 
    in_regs=1, partial=0, fndecl=0x0, initial_offset_ptr=0xfdf020a0, 
    locate=0xfdf02138) at ../../gcc/gcc/function.c:3699
#2  0x00544768 in emit_library_call_value_1 (retval=7, orgfun=0x0, value=0x1, 
    fn_type=LCT_NORMAL, outmode=VOIDmode, nargs=-34594656, p=0xfdf02138)
    at ../../gcc/gcc/calls.c:3540
#3  0x0122bb40 in build_libfunc_function (name=0x7 <Address 0x7 out of bounds>)
    at ../../gcc/gcc/optabs.c:6013
Backtrace stopped: previous frame inner to this frame (corrupt stack?)
(gdb) p type
$1 = (const_tree) 0x0

[Bug target/46512] [4.6 Regression] crtstuff.c:563:1: internal compiler error: Segmentation fault

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46512

--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> 2010-11-17 01:25:27 UTC ---
ix86_function_arg_boundary has

static unsigned int
ix86_function_arg_boundary (enum machine_mode mode, const_tree type) 
{
  unsigned int align;
  if (type)
    {
      /* Since the main variant type is used for call, we convert it to
         the main variant type.  */
      type = TYPE_MAIN_VARIANT (type);
      align = TYPE_ALIGN (type);
    }
  else  
    align = GET_MODE_ALIGNMENT (mode);

[Bug target/46512] [4.6 Regression] crtstuff.c:563:1: internal compiler error: Segmentation fault

[froydnj at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46512

--- Comment #2 from Nathan Froyd <froydnj at gcc dot gnu.org> 2010-11-17 01:41:16 UTC ---
Author: froydnj
Date: Wed Nov 17 01:41:13 2010
New Revision: 166849

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166849
Log:
    PR target/46512
    * config/pa/pa.c (pa_function_arg_boundary): Move TYPE_SIZE accesses
    under check for type.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/pa/pa.c

[Bug target/46512] [4.6 Regression] crtstuff.c:563:1: internal compiler error: Segmentation fault

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46512

John David Anglin <danglin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |FIXED

--- Comment #3 from John David Anglin <danglin at gcc dot gnu.org> 2010-11-17 03:20:52 UTC ---
Fixed by patch.