[Bug lto/79625] New: ICE in write_symbol, at lto-streamer-out.c:2567

["marxin at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79625

            Bug ID: 79625
           Summary: ICE in write_symbol, at lto-streamer-out.c:2567
           Product: gcc
           Version: unknown
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: lto
          Assignee: unassigned at gcc dot gnu.org
          Reporter: marxin at gcc dot gnu.org
  Target Milestone: ---

Knowing that passing -flto to a RTL test is ugly, but maybe we can somehow
handle that.

$ gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/rtl/x86_64/dfinit.c
-flto

0x97671d write_symbol
        ../../gcc/lto-streamer-out.c:2565
0x97874c produce_symtab
        ../../gcc/lto-streamer-out.c:2684
0x97874c produce_asm_for_decls()
        ../../gcc/lto-streamer-out.c:2883
0x9c9adf write_lto
        ../../gcc/passes.c:2581
0x9cd126 ipa_write_summaries_1
        ../../gcc/passes.c:2642
0x9cd126 ipa_write_summaries()
        ../../gcc/passes.c:2702
0x759f0c ipa_passes
        ../../gcc/cgraphunit.c:2368
0x759f0c symbol_table::compile()
        ../../gcc/cgraphunit.c:2462
0x75bbe4 symbol_table::compile()
        ../../gcc/cgraphunit.c:2595
0x75bbe4 symbol_table::finalize_compilation_unit()
        ../../gcc/cgraphunit.c:2621