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[Bug lto/54728] [4.8 regression] ICE in input_gimple_stmt, at gimple-streamer-in.c:254


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54728

--- Comment #9 from Jan Hubicka <hubicka at gcc dot gnu.org> 2012-12-21 14:16:09 UTC ---
When writting symtab_real_symbol_p I made external nodes to not be real symbols
unless they are explicitelly called or refereed. 

The reason is that we keep around virtual extenral functions for possible
devirtualization and I did not want those symbol appear to refereed in
lto-plugin symbol table. While this works well with lto-plugin symbol table
output it does not fare well with the use in lto-symtab.

I am testing patch to separate both predicates.


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