[Bug c/47670] Gcc 4.5.1 inconsistent optimisation of loop with mixed 32bit and 64bit arithmetic

argondsgn at gmail dot com gcc-bugzilla@gcc.gnu.org
Wed Feb 9 22:00:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47670

Peter de Rivaz <argondsgn at gmail dot com> changed:

           What    |Removed                     |Added
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             Status|RESOLVED                    |CLOSED

--- Comment #4 from Peter de Rivaz <argondsgn at gmail dot com> 2011-02-09 21:54:15 UTC ---
Thanks! (And sorry for the invalid report).

C99 specification 6.5 para 5 agrees that this is undefined behaviour.

Both suggestions solve the problem.

I've closed the bug now.



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