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From: "bergner at gcc dot gnu dot org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug lto/44895] New: Hitting gcc_assert in lto-streamer-out.c:write_symbol Date: Fri, 09 Jul 2010 19:40:00 -0000 [thread overview] Message-ID: <bug-44895-11700@http.gcc.gnu.org/bugzilla/> (raw) Compiling the gcc.c-torture/compile/20011119-2.c test case on powerpc64-linux, we get the following ICE with today's trunk: bergner@granola3p01:~/gcc/BUGS> /data3/bergner/gcc/build/gcc-mainline-r161924-debug/gcc/xgcc -B/data3/bergner/gcc/build/gcc-mainline-r161924-debug/gcc/ -O2 -flto -w -S -m32 /home/bergner/gcc/gcc-mainline-r161924/gcc/testsuite/gcc.c-torture/compile/20011119-2.c /home/bergner/gcc/gcc-mainline-r161924/gcc/testsuite/gcc.c-torture/compile/20011119-2.c:12:1: internal compiler error: in write_symbol, at lto-streamer-out.c:2333 Please submit a full bug report, with preprocessed source if appropriate. This is the assert: /* When something is defined, it should have a node attached. FIXME: For fortran this is still not the case since wrapup global decls is done after streaming. */ gcc_assert (alias || TREE_CODE (t) != FUNCTION_DECL || (cgraph_get_node (t) && cgraph_get_node (t)->analyzed)); Backtrace: #0 fancy_abort (file=0x10c81e88 "/home/bergner/gcc/gcc-mainline-r161924/gcc/lto-streamer-out.c", line=2333, function=0x10c81830 "write_symbol") at /home/bergner/gcc/gcc-mainline-r161924/gcc/diagnostic.c:879 #1 0x00000000109302fc in write_symbol (cache=0x10ec6430, stream=0xfffffffe450, t=0x4000049a800, seen=0x10eb4840, alias=0 '\000') at /home/bergner/gcc/gcc-mainline-r161924/gcc/lto-streamer-out.c:2331 #2 0x000000001093647c in produce_symtab (set=0x400003743e0, vset=0x40000374420) at /home/bergner/gcc/gcc-mainline-r161924/gcc/lto-streamer-out.c:2402 #3 produce_asm_for_decls (set=0x400003743e0, vset=0x40000374420) at /home/bergner/gcc/gcc-mainline-r161924/gcc/lto-streamer-out.c:2527 #4 0x00000000103d9858 in ipa_write_summaries_2 (pass=0x10cf9b08, set=0x400003743e0, vset=0x40000374420, state=0x10ec1c80) at /home/bergner/gcc/gcc-mainline-r161924/gcc/passes.c:1652 #5 0x00000000103d9b54 in ipa_write_summaries_1 () at /home/bergner/gcc/gcc-mainline-r161924/gcc/passes.c:1682 #6 ipa_write_summaries () at /home/bergner/gcc/gcc-mainline-r161924/gcc/passes.c:1738 #7 0x00000000106fd190 in ipa_passes () at /home/bergner/gcc/gcc-mainline-r161924/gcc/cgraphunit.c:1879 #8 cgraph_optimize () at /home/bergner/gcc/gcc-mainline-r161924/gcc/cgraphunit.c:1920 #9 0x00000000106fd574 in cgraph_finalize_compilation_unit () at /home/bergner/gcc/gcc-mainline-r161924/gcc/cgraphunit.c:1171 #10 0x00000000100a76d8 in c_write_global_declarations () at /home/bergner/gcc/gcc-mainline-r161924/gcc/c-decl.c:9698 #11 0x00000000104a5060 in compile_file (argc=35, argv=0xfffffffedd8) at /home/bergner/gcc/gcc-mainline-r161924/gcc/toplev.c:997 #12 do_compile (argc=35, argv=0xfffffffedd8) at /home/bergner/gcc/gcc-mainline-r161924/gcc/toplev.c:2340 #13 toplev_main (argc=35, argv=0xfffffffedd8) at /home/bergner/gcc/gcc-mainline-r161924/gcc/toplev.c:2381 #14 0x000000001014b180 in main (argc=<value optimized out>, argv=<value optimized out>) at /home/bergner/gcc/gcc-mainline-r161924/gcc/main.c:35 (gdb) p alias $13 = 0 '\000' (gdb) p t->base.code $14 = FUNCTION_DECL (gdb) call debug_tree(t) <function_decl 0x4000049a800 foo type <function_type 0x40000414638 type <integer_type 0x40000410498 int public SI size <integer_cst 0x400003106b8 constant 32> unit size <integer_cst 0x400003103c0 constant 4> align 32 symtab 0 alias set 3 canonical type 0x40000410498 precision 32 min <integer_cst 0x40000310640 -2147483648> max <integer_cst 0x40000310668 2147483647> pointer_to_this <pointer_type 0x40000411500>> SI size <integer_cst 0x400003106b8 32> unit size <integer_cst 0x400003103c0 4> align 32 symtab 0 alias set -1 canonical type 0x40000414638 arg-types <tree_list 0x40000310e38 value <void_type 0x40000410e70 void>> pointer_to_this <pointer_type 0x4000047c438>> addressable used public static weak decl_5 SI file /home/bergner/gcc/gcc-mainline-r161924/gcc/testsuite/gcc.c-torture/compile/20011119-2.c line 9 col 12 align 32 attributes <tree_list 0x400004685c0> initial <error_mark 0x40000391bf0> chain <function_decl 0x4000049a900 bar>> (gdb) p cgraph_get_node (t)->analyzed $15 = 0 -- Summary: Hitting gcc_assert in lto-streamer-out.c:write_symbol Product: gcc Version: 4.6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: lto AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: bergner at gcc dot gnu dot org GCC build triplet: powerpc64-linux GCC host triplet: powerpc64-linux GCC target triplet: powerpc64-linux http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44895
next reply other threads:[~2010-07-09 19:40 UTC|newest] Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top 2010-07-09 19:40 bergner at gcc dot gnu dot org [this message] 2010-07-09 20:00 ` [Bug lto/44895] " rguenth at gcc dot gnu dot org
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