------- Comment #9 from pinskia at gcc dot gnu dot org  2010-09-08 19:01 -------
>If it's an illegal program, gcc should at least emit a warning, if not an

It is not an invalid program, it is just undefined at runtime.  There was a
defect report against the C standard asking if a diagnostic can be required for
undefined behavior and it was rejected.  Oh there is a patch to enable warnings
for this case already.



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