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In GCC4.4 function test presents 2 callees foo() and bar() and the sibcall is not done. In GCC4.5 the sibcall is done (but shouldn't) because callees in cgraph is 0x0. I wonder if this information is not available anymore at this point and if there's something I can do about it.
After some digging around I noticed GCC4.5 introduces: NEXT_PASS (pass_remove_cgraph_callee_edges);
-- PMatos
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