[Bug bootstrap/63545] New: ICE building GCC hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[Bug bootstrap/63545] New: ICE building GCC hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[bill.klees at teamquest dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63545

            Bug ID: 63545
           Summary: ICE building GCC
                    hash_table<cselib_hasher,xcallocator>::find_slot_with_
                    hash
           Product: gcc
           Version: 4.9.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
          Assignee: unassigned at gcc dot gnu.org
          Reporter: bill.klees at teamquest dot com
            Target: ia64-hp-hpux11.23

Created attachment 33726
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33726&action=edit
config log from ia64-hp-hpux11.23\hpux64\libgcc

System
------
HP-UX clhpux1i B.11.23 U ia64


Configure Line
--------------
/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./configure
--prefix=/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1
--with-gmp=/opt/32/gmp-6.0.0 --with-mpfr=/opt/32/mpfr-3.1.2
--with-mpc=/opt/32/mpc-1.0.2 --enable-languages=c,c++
CC=/opt/32/gcc-4.7.4/bin/gcc CXX=/opt/32/gcc-4.7.4/bin/g++ --disable-bootstrap
--with-gnu-as --with-as=/opt/binutils-2.24/bin/as --without-gnu-ld


Error during build
------------------
gmake[4]: Entering directory
`/shares/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/ia64-hp-hpux11.23/hpux64/libgcc'
# If this is the top-level multilib, build all the other
# multilibs.
/u/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/./gcc/xgcc
-B/u/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/./gcc/
-B/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/bin/
-B/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/lib/
-isystem
/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/include
-isystem
/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/sys-include
   -g -O2 -mlp64 -O2  -g -O2 -DIN_GCC    -DUSE_LIBUNWIND_EXCEPTIONS -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include   -g
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../../.././gcc
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/.
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/../gcc
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/../include    -o
_muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c
/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/libgcc2.c
-fvisibility=hidden -DHIDE_EXPORTS
/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/libgcc2.c: In
function '__multi3':
/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/libgcc2.c:557:1:
internal compiler error: Segmentation fault
 }
 ^
libbacktrace could not find executable to open
Please submit a full bug report,
with preprocessed source if appropriate.
See <http://gcc.gnu.org/bugs.html> for instructions.
gmake[4]: *** [_muldi3.o] Error 1
gmake[4]: Leaving directory
`/shares/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/ia64-hp-hpux11.23/hpux64/libgcc'
gmake[3]: *** [multi-do] Error 1
gmake[3]: Leaving directory
`/shares/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/ia64-hp-hpux11.23/libgcc'
gmake[2]: *** [all-multi] Error 2
gmake[2]: Leaving directory
`/shares/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/ia64-hp-hpux11.23/libgcc'
gmake[1]: *** [all-target-libgcc] Error 2
gmake[1]: Leaving directory
`/shares/scratch/users/b/gcc/clhpux1i_32/gcc491_debug'
gmake: *** [all] Error 2


Traceback from failure
----------------------
(gdb) bt
#0  0x5830880 in <unknown_procedure> ()
warning: Attempting to unwind past bad PC 0x5830880
#1  0x555c170 in hash_table<cselib_hasher,xcallocator>::find_slot_with_hash (
    this=Unhandled dwarf expression opcode
)
#2  0x4501220:0 in _ZL16cselib_find_slotP7rtx_defj13insert_option12machine_mode
    (x=Unhandled dwarf expression opcode
)
#3  0x45013a0:0 in cselib_lookup (x=Unhandled dwarf expression opcode
)
#4  0x4506460:0 in _ZL18cselib_record_setsP7rtx_def (insn=0x76d98a78)
#5  0x450a3d0:0 in cselib_process_insn (insn=Unhandled dwarf expression opcode
)
#6  0x52b6ab0:0 in _ZL18rest_of_handle_dsev ()
#7  0x49fe960:0 in execute_one_pass (pass=Unhandled dwarf expression opcode
)
#8  0x49ff4a0:0 in execute_pass_list (pass=0x4027b710)
#9  0x49ff500:0 in execute_pass_list (pass=0x4027aed0)
#10 0x44de270:0 in _ZL15expand_functionP11cgraph_node (node=Unhandled dwarf
expression opcode
)
#11 0x44e3800:0 in compile ()
#12 0x44e4060:0 in finalize_compilation_unit ()
#13 0x4265f90:0 in c_write_global_declarations ()
#14 0x4bb8680:0 in _ZL12compile_filev ()
#15 0x4bbdb30:0 in toplev_main (argc=75, argv=0x7ffff178)
#16 0x5431a70:0 in main (argc=75, argv=0x7ffff178)
    at /shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./gcc/main.c:37


Notes
-----
The failed compilation step is:

/u/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/./gcc/xgcc
-B/u/scratch/users/b/gcc/clhpux1i_32/gcc491_debug/./gcc/
-B/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/bin/
-B/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/lib/
-isystem
/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/include
-isystem
/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/sys-include
   -g -O2 -mlp64 -O2  -g -O2 -DIN_GCC    -DUSE_LIBUNWIND_EXCEPTIONS -W -Wall
-Wno-narrowing -Wwrite-strings -Wcast-qual -Wstrict-prototypes
-Wmissing-prototypes -Wold-style-definition  -isystem ./include   -g
-DIN_LIBGCC2 -fbuilding-libgcc -fno-stack-protector   -I. -I. -I../../.././gcc
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/.
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/../gcc
-I/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/../include    -o
_muldi3.o -MT _muldi3.o -MD -MP -MF _muldi3.dep -DL_muldi3 -c
/shares/scratch/users/b/gcc/clhpux1i_32/gcc-4.9.1/./libgcc/libgcc2.c
-fvisibility=hidden -DHIDE_EXPORTS

If i change the optimization flag to -O0, the compilation succeeds.

[Bug bootstrap/63545] ICE building GCC hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63545

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2014-10-16
     Ever confirmed|0                           |1

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Please provide preprocessed source of the failing compile.

[Bug bootstrap/63545] ICE building GCC hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[bill.klees at teamquest dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63545

--- Comment #2 from Bill Klees <bill.klees at teamquest dot com> ---
Created attachment 33734
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=33734&action=edit
Preprocessed Source for Failing Compile

[Bug bootstrap/63545] ICE building GCC hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[bill.klees at teamquest dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63545

--- Comment #3 from Bill Klees <bill.klees at teamquest dot com> ---
Simplified Preprocessed source fails with same error
----------------------------------------------------

typedef int TItype __attribute__((mode(TI)));
typedef int DItype __attribute__((mode(DI)));
typedef unsigned int UDItype __attribute__((mode(DI)));

struct DWstruct { DItype high, low; };

typedef union
{
    struct DWstruct s;
    TItype ll;
} DWunion;

TItype
__multi3(TItype u, TItype v)
{
    const DWunion uu = { .ll = u };
    const DWunion vv = { .ll = v };
    DWunion w = { .ll = ({ DWunion __w; __asm__("xma.hu %0 = %2, %3,
f0\n\txma.l %1 = %2, %3, f0" : "=&f" (__w.s.high)
        , "=f" (__w.s.low) : "f" (uu.s.low), "f" (vv.s.low)); __w.ll; }) };

    w.s.high += ((UDItype)uu.s.low * (UDItype)vv.s.high
        + (UDItype)uu.s.high * (UDItype)vv.s.low);

    return w.ll;
}

[Bug bootstrap/63545] ICE building GCC hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[bill.klees at teamquest dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63545

--- Comment #4 from Bill Klees <bill.klees at teamquest dot com> ---
Much simpler test case
----------------------
struct DWstruct { int high, low; };

typedef union
{
        struct DWstruct s;
        int ll;
} DWunion;

int
__multi3(int u, int v)
{
const DWunion uu = { .ll = u };
return 0;
}


Build Line:
-----------
/u/scratch/users/b/gcc/hp/gcc491_debug/./gcc/xgcc
-B/u/scratch/users/b/gcc/hp/gcc491_debug/./gcc/
-B/shares/source/itlinks/opt/hpux_ia64/11.2/32/gcc-4.9.1/ia64-hp-hpux11.23/bin/
-mlp64 -g -O2 -o _muldi3.o -c test2.c


Traceback of failure
--------------------
#0  0x5830880 in <unknown_procedure> ()
warning: Attempting to unwind past bad PC 0x5830880
#1  0x555be50 in hash_table<cselib_hasher,xcallocator>::find_slot_with_hash (
    this=Unhandled dwarf expression opcode
)
#2  0x4501220:0 in _ZL16cselib_find_slotP7rtx_defj13insert_option12machine_mode
    (x=Unhandled dwarf expression opcode
)
#3  0x45013a0:0 in cselib_lookup (x=Unhandled dwarf expression opcode
)
#4  0x50aa630:0 in _ZL8use_typeP7rtx_defP14count_use_infoP12machine_mode
(loc=Unhandled dwarf expression opcode
)
#5  0x50aaa70:0 in _ZL8add_usesPP7rtx_defPv (ploc=Unhandled dwarf expression
opcode
)
#6  0x4aeac10:0 in for_each_rtx (x=Unhandled dwarf expression opcode
)
#7  0x50a6070:0 in _ZL10add_uses_1PP7rtx_defPv (x=0x76f8b6f8, cui=0x7fffc680)
#8  0x4ae4bf0:0 in note_uses (pbody=Unhandled dwarf expression opcode
)
#9  0x50abfb0:0 in _ZL13add_with_setsP7rtx_defP10cselib_seti (insn=Unhandled
dwarf expression opcode
)
#10 0x4506080:0 in _ZL18cselib_record_setsP7rtx_def (insn=0x76f8b6e0)
#11 0x450a3d0:0 in cselib_process_insn (insn=Unhandled dwarf expression opcode
)
#12 0x50b8980:0 in _ZL13vt_initializev ()
#13 0x50d6840:0 in variable_tracking_main ()
#14 0x511f1c0:0 in _ZL10ia64_reorgv ()
#15 0x4adbe50:0 in _GLOBAL__N_1::pass_machine_reorg::execute (this=0x49fe960:0)
    at /shares/scratch/users/b/gcc/hp/gcc-4.9.1/./gcc/reorg.c:3936
#16 0x49fe960:0 in execute_one_pass (pass=Unhandled dwarf expression opcode
)
#17 0x49ff4a0:0 in execute_pass_list (pass=0x4027c610)
#18 0x49ff500:0 in execute_pass_list (pass=0x4027bd50)
#19 0x49ff500:0 in execute_pass_list (pass=0x4027aed0)
---Type <return> to continue, or q <return> to quit---
#20 0x44de270:0 in _ZL15expand_functionP11cgraph_node (node=Unhandled dwarf
expression opcode
)
#21 0x44e3800:0 in compile ()
#22 0x44e4060:0 in finalize_compilation_unit ()
#23 0x4265f90:0 in c_write_global_declarations ()
#24 0x4bb8680:0 in _ZL12compile_filev ()
#25 0x4bbdb30:0 in toplev_main (argc=23, argv=0x7ffff5b8)
#26 0x5431a70:0 in main (argc=23, argv=0x7ffff5b8)
    at /shares/scratch/users/b/gcc/hp/gcc-4.9.1/./gcc/main.c:37

[Bug target/63545] ICE when building GCC for ia64-hp-hpux11.23 in hash_table<cselib_hasher,xcallocator>::find_slot_with_hash

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63545

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|2014-10-16 00:00:00         |2021-04-16

--- Comment #10 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Does this still happen with GCC 8 and above?