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Subject: [Bug lto/55466] [4.8 Regression] Revision 191466 destroyed DWARF debug info
Date: Thu, 29 Nov 2012 19:08:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55466

--- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> 2012-11-29 19:07:23 UTC ---
(In reply to comment #5)
> Created attachment 28829 [details]
> Proposed fix
> 
> I suppose something across these lines should do the trick.  I am not sure what
> exactly is the codition for var to be needed to go through wrapup_global_decl. 
> Also I think types are usually going in there, too.

It doesn't work:

lto1: internal compiler error: Segmentation fault
0x994661 crash_signal
        /export/gnu/import/git/gcc/gcc/toplev.c:334
0x5206c8 gt_ggc_mx_lang_tree_node(void*)
        ./gtype-lto.h:37
0x522623 gt_ggc_mx_lang_tree_node(void*)
        ./gtype-lto.h:389
0x522539 gt_ggc_mx_lang_tree_node(void*)
        ./gtype-lto.h:380
0x5399ab gt_ggc_ma_gimple_type_leader
        ./gt-lto-lto.h:154
0x7419c4 ggc_mark_root_tab
        /export/gnu/import/git/gcc/gcc/ggc-common.c:138
0x741a74 ggc_mark_roots()
        /export/gnu/import/git/gcc/gcc/ggc-common.c:157
0x5433e5 ggc_collect()
        /export/gnu/import/git/gcc/gcc/ggc-page.c:2087
0x5388b4 read_cgraph_and_symbols
        /export/gnu/import/git/gcc/gcc/lto/lto.c:2993
0x5393c9 lto_main()
        /export/gnu/import/git/gcc/gcc/lto/lto.c:3383
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