https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64238
Martin Liška <marxin at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Last reconfirmed| |2017-05-05
CC| |cmang at google dot com,
| |marxin at gcc dot gnu.org
Component|lto |go
Assignee|unassigned at gcc dot gnu.org |ian at airs dot com
Ever confirmed|0 |1
Known to fail| |6.3.0, 7.1.0, 8.0
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> ---
Confirmed, checking assert is triggered for:
Breakpoint 1, symtab_node::get_partitioning_class (this=0x7ffff69dab80) at
../../gcc/symtab.c:1866
1866 gcc_checking_assert (vnode->definition);
(gdb) p vnode->debug()
__go_tdn_unicode.SpecialCase$gc/164 (__go_tdn_unicode.SpecialCase$gc)
@0x7ffff69dab80
Type: variable
Body removed by symtab_remove_unreachable_nodes
Visibility: public artificial
References:
Referring:
__go_td_S6_._f.$fpv16_.go_bytes._case1pN19_unicode.SpecialCasexe$gc/40 (addr)
Availability: not_available
Varpool flags:
$3 = void
(gdb) bt
#0 symtab_node::get_partitioning_class (this=0x7ffff69dab80) at
../../gcc/symtab.c:1866
#1 0x0000000000b7f8cd in lto_output_varpool_node (ob=<optimized out>,
ob=<optimized out>, encoder=0x2515e80, node=0x7ffff69dab80) at
../../gcc/lto-cgraph.c:615
#2 output_symtab () at ../../gcc/lto-cgraph.c:1026
#3 0x0000000000b92ad3 in lto_output () at ../../gcc/lto-streamer-out.c:2390
#4 0x0000000000c072bf in write_lto () at ../../gcc/passes.c:2582
#5 0x0000000000c0b221 in ipa_write_summaries_1 (encoder=0x2515e80) at
../../gcc/passes.c:2646
#6 ipa_write_summaries () at ../../gcc/passes.c:2706
#7 0x00000000008b3610 in ipa_passes () at ../../gcc/cgraphunit.c:2373
#8 symbol_table::compile (this=0x7ffff6864100) at ../../gcc/cgraphunit.c:2467
#9 0x00000000008b5e18 in symbol_table::finalize_compilation_unit
(this=0x7ffff6864100) at ../../gcc/cgraphunit.c:2626
#10 0x0000000000ce7f4a in compile_file () at ../../gcc/toplev.c:493
#11 0x000000000071ff6c in do_compile () at ../../gcc/toplev.c:2004
#12 toplev::main (this=this@entry=0x7fffffffdaf0, argc=<optimized out>,
argc@entry=17, argv=<optimized out>, argv@entry=0x7fffffffdbf8) at
../../gcc/toplev.c:2138
#13 0x0000000000722489 in main (argc=17, argv=0x7fffffffdbf8) at
../../gcc/main.c:40
