2) Apple's GCC should not turn on -fstrict-aliasing when -ftree-
vectorize -fno-strict-aliasing is passed.
Don't file this one - the vectorizer needs the information to
vectorize properly (a good reason to make your code aliasing safe :)
Well, if -fno-strict-aliasing is explicitly passed, its pretty evil to
turn it on, even if another flag needs it. Wouldn't it be better that
give a message saying that -ftree-vectorize and -fno-strict-aliasing
can't be used together? Otherwise people will have the same
problem as
the OP in the future. If I was the OP, I'd file this bug.
I wouldn't object to that bug report being filed. :)
-eric
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