[Bug c/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[Bug c/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

--- Comment #1 from John David Anglin <danglin at gcc dot gnu.org> 2012-05-19 20:43:48 UTC ---
(gdb) bt
#0  fancy_abort (file=0x45808b0 "../../gcc/gcc/tree.c", line=7039, 
    function=0x45817d8 "iterative_hash_expr")
    at ../../gcc/gcc/diagnostic.c:1011
#1  0x01887044 in iterative_hash_expr (t=0x7ab8a390, val=1358060887)
    at ../../gcc/gcc/tree.c:7039
#2  0x01887584 in iterative_hash_expr (t=0x7ac3f3a0, val=1358060887)
    at ../../gcc/gcc/tree.c:7072
#3  0x01887584 in iterative_hash_expr (t=0x7ab83b18, val=2819648034)
    at ../../gcc/gcc/tree.c:7072
#4  0x01887584 in iterative_hash_expr (t=0x7ab044e0, val=470452325)
    at ../../gcc/gcc/tree.c:7072
#5  0x01887584 in iterative_hash_expr (t=0x7ac3f3e0, val=1291600461)
    at ../../gcc/gcc/tree.c:7072
#6  0x01887584 in iterative_hash_expr (t=0x7ac3f400, val=1857436122)
    at ../../gcc/gcc/tree.c:7072
#7  0x01887584 in iterative_hash_expr (t=0x7ab04528, val=3933020094)
    at ../../gcc/gcc/tree.c:7072
#8  0x01887244 in iterative_hash_expr (t=0x7ab04558, val=2773392188)
    at ../../gcc/gcc/tree.c:7051
#9  0x01886880 in iterative_hash_expr (t=0x7ab943a0, val=3698532063)
    at ../../gcc/gcc/tree.c:6997
#10 0x00e27cdc in gimple_tree_hash (p=0x7b047c68)
    at ../../gcc/gcc/gimplify.c:130
---Type <return> to continue, or q <return> to quit---
#11 0x0441ce60 in htab_find_slot (htab=0x400c1a08, element=0x7b047c68, 
    insert=INSERT) at ../../gcc/libiberty/hashtab.c:712
#12 0x00e29170 in lookup_tmp_var (val=0x7ab943a0, is_formal=1 '\001')
    at ../../gcc/gcc/gimplify.c:528
#13 0x00e295f0 in internal_get_tmp_var (val=0x7ab943a0, pre_p=0x7b0457f0, 
    post_p=0x0, is_formal=1 '\001') at ../../gcc/gcc/gimplify.c:610
#14 0x00e2999c in get_formal_tmp_var (val=0x7ab943a0, pre_p=0x7b0457f0)
    at ../../gcc/gcc/gimplify.c:651
#15 0x00e66bc0 in gimplify_expr (expr_p=0x7ac3f654, pre_p=0x7b0457f0, 
    post_p=0x7b046718, 
    gimple_test_f=@0x40029eea: 0xd5bfb8 <is_gimple_min_lval>, fallback=3)
    at ../../gcc/gcc/gimplify.c:7954
#16 0x00e360f4 in gimplify_compound_lval (expr_p=0x7ac3f678, 
    pre_p=0x7b0457f0, post_p=0x7b046718, fallback=1)
    at ../../gcc/gcc/gimplify.c:2258
#17 0x00e60588 in gimplify_expr (expr_p=0x7ac3f678, pre_p=0x7b0457f0, 
    post_p=0x7b046718, 
    gimple_test_f=@0x4002a852: 0xe29388 <is_gimple_reg_rhs_or_call>, 
    fallback=1) at ../../gcc/gcc/gimplify.c:7080
#18 0x00e4c0d4 in gimplify_modify_expr (expr_p=0x7ab943b8, pre_p=0x7b0457f0, 
    post_p=0x7b046718, want_value=0 '\0') at ../../gcc/gcc/gimplify.c:4842
#19 0x00e606f0 in gimplify_expr (expr_p=0x7ab943b8, pre_p=0x7b0457f0, 
    post_p=0x7b046718, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
---Type <return> to continue, or q <return> to quit---
    fallback=0) at ../../gcc/gcc/gimplify.c:7127
#20 0x00e5254c in gimplify_stmt (stmt_p=0x7ab943b8, seq_p=0x7b0457f0)
    at ../../gcc/gcc/gimplify.c:5662
#21 0x00e2f0a8 in gimplify_statement_list (expr_p=0x7ac3f878, 
    pre_p=0x7b0457f0) at ../../gcc/gcc/gimplify.c:1529
#22 0x00e63fac in gimplify_expr (expr_p=0x7ac3f878, pre_p=0x7b0457f0, 
    post_p=0x7b045e98, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7514
#23 0x00e5254c in gimplify_stmt (stmt_p=0x7ac3f878, seq_p=0x7b0457f0)
    at ../../gcc/gcc/gimplify.c:5662
#24 0x00e2ccfc in gimplify_bind_expr (expr_p=0x7ac3f898, pre_p=0x7b044ea0)
    at ../../gcc/gcc/gimplify.c:1223
#25 0x00e61e6c in gimplify_expr (expr_p=0x7ac3f898, pre_p=0x7b044ea0, 
    post_p=0x7b045558, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7299
#26 0x00e5254c in gimplify_stmt (stmt_p=0x7ac3f898, seq_p=0x7b044ea0)
    at ../../gcc/gcc/gimplify.c:5662
#27 0x00e41a6c in gimplify_cond_expr (expr_p=0x7ab944a8, pre_p=0x7b043930, 
    fallback=0) at ../../gcc/gcc/gimplify.c:3305
#28 0x00e605a4 in gimplify_expr (expr_p=0x7ab944a8, pre_p=0x7b043930, 
    post_p=0x7b044858, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7085
#29 0x00e5254c in gimplify_stmt (stmt_p=0x7ab944a8, seq_p=0x7b043930)
---Type <return> to continue, or q <return> to quit---
    at ../../gcc/gcc/gimplify.c:5662
#30 0x00e2f0a8 in gimplify_statement_list (expr_p=0x7ac3f8b8, 
    pre_p=0x7b043930) at ../../gcc/gcc/gimplify.c:1529
#31 0x00e63fac in gimplify_expr (expr_p=0x7ac3f8b8, pre_p=0x7b043930, 
    post_p=0x7b043fd8, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7514
#32 0x00e5254c in gimplify_stmt (stmt_p=0x7ac3f8b8, seq_p=0x7b043930)
    at ../../gcc/gcc/gimplify.c:5662
#33 0x00e2ccfc in gimplify_bind_expr (expr_p=0x7ab944b8, pre_p=0x7b042760)
    at ../../gcc/gcc/gimplify.c:1223
#34 0x00e61e6c in gimplify_expr (expr_p=0x7ab944b8, pre_p=0x7b042760, 
    post_p=0x7b043698, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7299
#35 0x00e5254c in gimplify_stmt (stmt_p=0x7ab944b8, seq_p=0x7b042760)
    at ../../gcc/gcc/gimplify.c:5662
#36 0x00e2f0a8 in gimplify_statement_list (expr_p=0x7abf3ad8, 
    pre_p=0x7b042760) at ../../gcc/gcc/gimplify.c:1529
#37 0x00e63fac in gimplify_expr (expr_p=0x7abf3ad8, pre_p=0x7b042760, 
    post_p=0x7b042e18, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7514
#38 0x00e5254c in gimplify_stmt (stmt_p=0x7abf3ad8, seq_p=0x7b042760)
    at ../../gcc/gcc/gimplify.c:5662
#39 0x00e316a4 in gimplify_switch_expr (expr_p=0x7ab2dc58, pre_p=0x7b0415b0)
---Type <return> to continue, or q <return> to quit---
    at ../../gcc/gcc/gimplify.c:1778
#40 0x00e61e9c in gimplify_expr (expr_p=0x7ab2dc58, pre_p=0x7b0415b0, 
    post_p=0x7b0424d8, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7307
#41 0x00e5254c in gimplify_stmt (stmt_p=0x7ab2dc58, seq_p=0x7b0415b0)
    at ../../gcc/gcc/gimplify.c:5662
#42 0x00e2f0a8 in gimplify_statement_list (expr_p=0x7ac4ed98, 
    pre_p=0x7b0415b0) at ../../gcc/gcc/gimplify.c:1529
#43 0x00e63fac in gimplify_expr (expr_p=0x7ac4ed98, pre_p=0x7b0415b0, 
    post_p=0x7b041c58, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7514
#44 0x00e5254c in gimplify_stmt (stmt_p=0x7ac4ed98, seq_p=0x7b0415b0)
    at ../../gcc/gcc/gimplify.c:5662
#45 0x00e2ccfc in gimplify_bind_expr (expr_p=0x7aead8dc, pre_p=0x7b040c54)
    at ../../gcc/gcc/gimplify.c:1223
#46 0x00e61e6c in gimplify_expr (expr_p=0x7aead8dc, pre_p=0x7b040c54, 
    post_p=0x7b041318, gimple_test_f=@0x4002a8ba: 0xe4ac80 <is_gimple_stmt>, 
    fallback=0) at ../../gcc/gcc/gimplify.c:7299
#47 0x00e5254c in gimplify_stmt (stmt_p=0x7aead8dc, seq_p=0x7b040c54)
    at ../../gcc/gcc/gimplify.c:5662
#48 0x00e686f4 in gimplify_body (fndecl=0x7aead880, do_parms=1 '\001')
    at ../../gcc/gcc/gimplify.c:8160
#49 0x00e6a624 in gimplify_function_tree (
fndecl=0x7aead880)
---Type <return> to continue, or q <return> to quit---
    at ../../gcc/gcc/gimplify.c:8294
#50 0x007aecac in cgraph_analyze_function (node=0x7aeb0b00)
    at ../../gcc/gcc/cgraphunit.c:650
#51 0x007b0600 in cgraph_analyze_functions ()
    at ../../gcc/gcc/cgraphunit.c:936
#52 0x007b56a4 in finalize_compilation_unit ()
    at ../../gcc/gcc/cgraphunit.c:2075
#53 0x000d9acc in c_write_global_declarations ()
    at ../../gcc/gcc/c-decl.c:10114
#54 0x0132833c in compile_file () at ../../gcc/gcc/toplev.c:568
#55 0x0132b648 in do_compile () at ../../gcc/gcc/toplev.c:1874
#56 0x0132b934 in toplev_main (argc=23, argv=0x7b04068c)
    at ../../gcc/gcc/toplev.c:1950
#57 0x04379074 in main (argc=23, argv=0x7b04068c) at ../../gcc/gcc/main.c:36
(gdb) p tclass
$1 = 0 '\0'
(gdb) p debug_tree (t)
 <block 7ab8a390 used
    vars <var_decl 7ab7d420 __t
        type <pointer_type 7aecfd80 tree type <union_type 7ae11a80 tree_node>
            readonly sizes-gimplified public unsigned SI
            size <integer_cst 7acdd570 constant 32>
            unit size <integer_cst 7acdd588 constant 4>
            align 32 symtab 0 alias set -1 canonical type 7aecfde0 context
<translation_unit_decl 7ab59620 D.22825>
            pointer_to_this <pointer_type 7ac86000>>
        readonly used unsigned SI file ../../gcc/gcc/c-family/c-lex.c line 355
col 128 size <integer_cst 7acdd570 32> unit size <integer_cst 7acdd588 4>
        align 32 context <function_decl 7aead880 c_lex_with_flags> initial
<var_decl 7ab7ad20 num_string>>
    supercontext <block 7ab8a3f0 used
        vars <var_decl 7ab7a660 str type <pointer_type 7acf6000>
            used unsigned SI file ../../gcc/gcc/c-family/c-lex.c line 345 col
12 size <integer_cst 7acdd570 32> unit size <integer_cst 7acdd588 4>
            align 32 context <function_decl 7aead880 c_lex_with_flags> chain
<var_decl 7ab7a6c0 literal>>
        supercontext <block 7ab8a420 used vars <var_decl 7ab76de0 suffix>
            supercontext <block 7ab8a7b0 used vars <var_decl 7ab769c0
no_more_pch> supercontext <function_decl 7aead880 c_lex_with_flags> subblocks
<block 7ab8a420>> subblocks <block 7ab8a3f0>
            chain <block 7ab8a510 used vars <var_decl 7ab7d900 atloc>
supercontext <block 7ab8a7b0>
                chain <block 7ab8a5a0 used vars <var_decl 7ab82780 name>
supercontext <block 7ab8a7b0>
                    chain <block 7ab8a600 used vars <var_decl 7ab82c00 c>
supercontext <block 7ab8a7b0>
                        chain <block 7ab8a690 used vars <var_decl 7ab86660
literal> supercontext <block 7ab8a7b0> chain <block 7ab8a6f0>>>>>>
        subblocks <block 7ab8a2d0 used vars <var_decl 7ab7d000 __t>
supercontext <block 7ab8a3f0>
            subblocks <block 7ab8a2a0 used vars <var_decl 7ab7d060 __t>
supercontext <block 7ab8a2d0>> chain <block 7ab8a390>>>>
$3 = void

[Bug c/53420] New: [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[danglin at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

             Bug #: 53420
           Summary: [4.8 Regression] ICE in iterative_hash_expr,  at
                    tree.c:7039
    Classification: Unclassified
           Product: gcc
           Version: 4.8.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c
        AssignedTo: unassigned@gcc.gnu.org
        ReportedBy: danglin@gcc.gnu.org
              Host: hppa2.0w-hp-hpux11.00
            Target: hppa2.0w-hp-hpux11.00
             Build: hppa2.0w-hp-hpux11.00


Created attachment 27445
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27445
Preprocessed source

Following occurs in stage2:

/xxx/gnu/gcc/objdir/./prev-gcc/xgcc -B/xxx/gnu/gcc/objdir/./prev-gcc/
-B/opt/gnu
/gcc/gcc-4.8/hppa2.0w-hp-hpux11.00/bin/
-B/opt/gnu/gcc/gcc-4.8/hppa2.0w-hp-hpux1
1.00/bin/ -B/opt/gnu/gcc/gcc-4.8/hppa2.0w-hp-hpux11.00/lib/ -isystem
/opt/gnu/gc
c/gcc-4.8/hppa2.0w-hp-hpux11.00/include -isystem
/opt/gnu/gcc/gcc-4.8/hppa2.0w-h
p-hpux11.00/sys-include    -c  -DIN_GCC_FRONTEND -DIN_GCC_FRONTEND
-DIN_GCC_FRON
TEND -g -O2 -DIN_GCC   -W -Wall -Wno-narrowing -Wwrite-strings -Wcast-qual
-Wstr
ict-prototypes -Wmissing-prototypes  -Wold-style-definition -Wc++-compat
-fno-co
mmon  -DHAVE_CONFIG_H -I. -Ic-family -I../../gcc/gcc -I../../gcc/gcc/c-family
-I
../../gcc/gcc/../include -I../../gcc/gcc/../libcpp/include
-I/opt/gnu/gcc/gmp/in
clude  -I../../gcc/gcc/../libdecnumber -I../../gcc/gcc/../libdecnumber/dpd
-I../
libdecnumber    ../../gcc/gcc/c-family/c-lex.c -o c-family/c-lex.o
In file included from ../../gcc/gcc/c-family/c-lex.c:23:0:
../../gcc/gcc/c-family/c-lex.c: In function 'c_lex_with_flags':
../../gcc/gcc/system.h:958:93: internal compiler error: in iterative_hash_expr, 
at tree.c:7039
 #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q;
TOTY
PE _nq;})(X))._nq)

             ^
../../gcc/gcc/system.h:958:93: note: in expansion of macro 'CONST_CAST2'
 #define CONST_CAST2(TOTYPE,FROMTYPE,X) ((__extension__(union {FROMTYPE _q;
TOTY
PE _nq;})(X))._nq)

             ^
../../gcc/gcc/system.h:977:28: note: expanded from here
 #define CONST_CAST(TYPE,X) CONST_CAST2(TYPE, const TYPE, (X))
                            ^
../../gcc/gcc/system.h:977:28: note: in expansion of macro 'CONST_CAST'
../../gcc/gcc/c-family/c-lex.c:355:12: note: expanded from here
      str = CONST_CAST (char *, TREE_STRING_POINTER (num_string));            ^

# ./xgcc -B./ -v
Reading specs from ./specs
COLLECT_GCC=./xgcc
COLLECT_LTO_WRAPPER=./lto-wrapper
Target: hppa2.0w-hp-hpux11.00
Configured with: ../gcc/configure --with-gnu-as --with-as=/opt/gnu/bin/as
--enable-shared --with-local-prefix=/opt/gnu --prefix=/opt/gnu/gcc/gcc-4.8
--with-gmp=/opt/gnu/gcc/gmp --enable-debug=no --disable-nls
--disable-build-poststage1-with-cxx --enable-threads=posix
--enable-languages=c,c++,objc,fortran,java,ada,obj-c++
Thread model: posix
gcc version 4.8.0 20120518 (experimental) [trunk revision 187647] (GCC)

[Bug middle-end/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|c                           |middle-end

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-05-20 19:30:43 UTC ---
I think http://gcc.gnu.org/ml/gcc-patches/2012-05/msg01340.html will fix the
issue.

[Bug middle-end/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|                            |build, ice-on-valid-code
   Target Milestone|---                         |4.8.0

[Bug middle-end/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jakub at gcc dot gnu.org

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-08-15 08:16:49 UTC ---
Can you still reproduce it?

[Bug middle-end/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[dave.anglin at bell dot net]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

--- Comment #4 from dave.anglin at bell dot net 2012-08-18 23:50:21 UTC ---
On 15-Aug-12, at 4:16 AM, jakub at gcc dot gnu.org wrote:

> Can you still reproduce it?


My HP-UX 11.00 box had a disk failure a couple of weeks ago, so I can't
reproduce it at the moment.  I only saw this problem with 11.00.

Dave
--
John David Anglin    dave.anglin@bell.net

[Bug middle-end/53420] [4.8 Regression] ICE in iterative_hash_expr, at tree.c:7039

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53420

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

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

--- Comment #5 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-07 12:02:04 UTC ---
Assuming fixed.