Need some clarification about optimization flags, what "exactly" does -O1 do?

[Andrzej Giniewicz]

Hi,

> That's interesting.  tree-dce is Dead Code Elimination on trees, where
> gcc removes code that can't possibly be reached.  It's possible that
> there's a bug in DCE, but I bet it's something like the enum bug above.
> If you're interested in finding the real bug I can tell you how to read
> the compiler dumps.

that would be sweet, finding real bugs is always better than workaround :)

cheers,
Andrzej.