[Bug middle-end/65743] [5 regression] LTO+FDO build of Firefox crashes at startup

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65743

Jan Hubicka <hubicka at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Priority|P3                          |P1
                 CC|                            |hubicka at gcc dot gnu.org,
                   |                            |mjambor at suse dot cz

--- Comment #3 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
enable checking compiler ICEs with:

So this is wrong code with checking disabled and ICE on valid with checking
enabled. I suppose that makes it P1 :( 


lto1: internal compiler error: in operator[], at vec.h:736
0xfa9cf7 vec<tree_node*, va_heap, vl_embed>::operator[](unsigned int)
        ../../gcc/vec.h:736
0xfa9cf7 vec<tree_node*, va_heap, vl_ptr>::operator[](unsigned int)
        ../../gcc/vec.h:1202
0xfa9cf7 ipa_value_from_jfunc(ipa_node_params*, ipa_jump_func*)
        ../../gcc/ipa-cp.c:981
0x8773ef evaluate_properties_for_edge
        ../../gcc/ipa-inline-analysis.c:970
0x8777db do_estimate_edge_time(cgraph_edge*)
        ../../gcc/ipa-inline-analysis.c:3753
0xfb7e8c estimate_edge_time
        ../../gcc/ipa-inline.h:320
0xfb7e8c can_inline_edge_p
        ../../gcc/ipa-inline.c:521
0xfb827b speculation_useful_p(cgraph_edge*, bool)
        ../../gcc/ipa-inline.c:1683
0xfc3413 clone_inlined_nodes(cgraph_edge*, bool, bool, int*, int*, int)
        ../../gcc/ipa-inline-transform.c:262
0xfc39c3 inline_call(cgraph_edge*, bool, vec<cgraph_edge*, va_heap, vl_ptr>*,
int*, int*, bool, bool*)
        ../../gcc/ipa-inline-transform.c:357
0xfbd00f inline_small_functions
        ../../gcc/ipa-inline.c:2066
0xfbd00f ipa_inline
        ../../gcc/ipa-inline.c:2467
0xfbd00f execute
        ../../gcc/ipa-inline.c:2873
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