[Bug tree-optimization/18746] [4.0 Regression] segfault with cc1 compiled with checking disabled

pinskia at gcc dot gnu dot org gcc-bugzilla@gcc.gnu.org
Wed Dec 1 02:13:00 GMT 2004


------- Additional Comments From pinskia at gcc dot gnu dot org  2004-12-01 02:13 -------
This does not make sense.  This looks like a latent bug.

With checking enabled we have the following for the statement:
#   bufD.1116_5 = V_MAY_DEF <bufD.1116_4>;
__builtin_memcpy (&bufD.1116, pD.1117_1, 6);

but with checking disabled we get:
#   bufD.1116_4 = V_MAY_DEF <bufD.1116_3>;
#   TMT.0D.1125 = V_MAY_DEF <TMT.0D.1125>;
__builtin_memcpy (&bufD.1116, pD.1117_1, 6);

Note the extra TMT.0D.1125.

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |4.0.0


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18746



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