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[Bug tree-optimization/42386] [4.5 Regression] ICE in ipcp_iterate_stage, at ipa-cp.c:766



------- Comment #8 from jakub at gcc dot gnu dot org  2009-12-16 17:31 -------
Created an attachment (id=19323)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=19323&action=view)
gcc45-pr42386.patch

Another alternative - don't mark nodes as reachable because of
same_comdat_group links if they are DECL_EXTERNAL.  Fixes this too, and has the
advantage that we don't have issues with DECL_DEFER_OUTPUT dtors we decided to
keep DECL_EXTERNAL.


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42386


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