------- Comment #9 from manu at gcc dot gnu dot org 2010-01-02 20:33 ------- (In reply to comment #8) > Re-confirmed. The issue is that we fold __builtin_constant_p only after > VRP1 so the dead code remains and we warn about it.
Perhaps this is the root cause of both PR35392 and PR35903. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37921
