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[Bug tree-optimization/45734] [DR 1116] Devirtualization results in wrong-code



------- Comment #4 from jason at gcc dot gnu dot org  2010-09-21 13:37 -------
Not a bug; all these testcases (should) have undefined behavior.  I'm working
on clarifying the standard to that end.  This is related to

http://www.open-std.org/JTC1/SC22/WG21/docs/cwg_active.html#1116

and on the C side,

http://www.open-std.org/jtc1/sc22/wg14/www/docs/dr_236.htm
http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1409.htm


-- 

jason at gcc dot gnu dot org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         AssignedTo|unassigned at gcc dot gnu   |jason at gcc dot gnu dot org
                   |dot org                     |
             Status|NEW                         |ASSIGNED
   Last reconfirmed|2010-09-20 15:27:10         |2010-09-21 13:37:32
               date|                            |
            Summary|[4.6 Regression]            |[DR 1116] Devirtualization
                   |Devirtualization results in |results in wrong-code
                   |wrong-code                  |


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45734


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