[Bug optimization/12920] [tree-ssa] compiler fails to build gdb

["falk at debian dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From falk at debian dot org  2003-11-12 16:54 -------
backtrace on 3.5-tree-ssa 20031112 alpha-linux:

Starting program: /src/gcc-tree-ssa-2003.11.12/build/gcc/cc1 /tmp/test.c
 stringify_collection_list

Breakpoint 1, fancy_abort (file=0x120454fe8 "../../gcc/stor-layout.c",
    line=290, function=0x120454dd9 "int_mode_for_mode")
    at ../../gcc/diagnostic.c:584
584       internal_error ("in %s, at %s:%d", function, trim_filename (file), line);
(gdb) bt
#0  fancy_abort (file=0x120454fe8 "../../gcc/stor-layout.c", line=290,
    function=0x120454dd9 "int_mode_for_mode") at ../../gcc/diagnostic.c:584
#1  0x0000000120302b08 in int_mode_for_mode (mode=BLKmode)
    at ../../gcc/stor-layout.c:290
#2  0x00000001201a0504 in store_bit_field (str_rtx=0x20000297038, bitsize=64,
    bitnum=0, fieldmode=DImode, value=0x200001ea400, total_size=-1)
    at ../../gcc/expmed.c:376
#3  0x00000001201c5dc0 in store_field (target=0x20000297038, bitsize=64,
    bitpos=0, mode=DImode, exp=0x200001ed800, value_mode=VOIDmode,
    unsignedp=1, type=0x200002f97a0, alias_set=0) at ../../gcc/expr.c:5258
#4  0x00000001201c6538 in expand_assignment (to=0x200001f0be0,
    from=0x200001ed800, want_value=3119008) at ../../gcc/expr.c:3843
#5  0x00000001201b0d24 in expand_expr_1 (exp=0x200001f0c30,
    target=0x200001ea400, tmode=VOIDmode, modifier=EXPAND_NORMAL)
    at ../../gcc/expr.c:8907
#6  0x00000001201c2014 in expand_expr (exp=0x200001f0c30,
    target=0x200001ea400, tmode=VOIDmode, modifier=EXPAND_NORMAL)
    at ../../gcc/expr.c:6291
#7  0x00000001201b5310 in expand_expr_1 (exp=0x200001f0cd0,
    target=0x200001f0d10, tmode=VOIDmode, modifier=EXPAND_NORMAL)
    at ../../gcc/expr.c:6851
#8  0x00000001201c2054 in expand_expr (exp=0x200001f0cd0,
    target=0x200001ea400, tmode=VOIDmode, modifier=EXPAND_NORMAL)
    at ../../gcc/expr.c:6298
#9  0x00000001202f734c in expand_expr_stmt_value (exp=0x200001f0cd0,
    want_value=0, maybe_last=541412825) at ../../gcc/stmt.c:2222
#10 0x0000000120060084 in expand_stmt_toplev (t=0x120454fe8)
    at ../../gcc/c-semantics.c:920
#11 0x00000001200bd4dc in tree_rest_of_compilation (fndecl=0x200002f9b20,
    nested_p=false) at ../../gcc/tree-optimize.c:341
#12 0x0000000120021888 in c_expand_body_1 (fndecl=0x200002f9b20, nested_p=0)
    at ../../gcc/c-decl.c:6202
#13 0x000000012035f538 in cgraph_expand_function (node=0x200002fbc80)
    at ../../gcc/cgraphunit.c:497
#14 0x000000012035f6cc in cgraph_assemble_pending_functions ()
    at ../../gcc/cgraphunit.c:142
#15 0x0000000120360a00 in cgraph_finalize_function (decl=0x200002f9b20,
    nested=false) at ../../gcc/cgraphunit.c:221
#16 0x0000000120021da0 in finish_function () at ../../gcc/c-decl.c:6158
#17 0x000000012000446c in yyparse () at c-parse.y:386
#18 0x000000012000bd28 in c_parse_file () at c-parse.y:3033
#19 0x0000000120059d90 in c_common_parse_file (set_yydebug=541413352)
    at ../../gcc/c-opts.c:1221
#20 0x0000000120311dd8 in toplev_main (argc=541832248, argv=0x11ffff665)
    at ../../gcc/toplev.c:1876
#21 0x0000000120093e38 in main (argc=541413352, argv=0x122)
    at ../../gcc/main.c:35
(gdb) 


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12920