Semi-Latent Bug in tree vectorizer

[Jeffrey A Law]

On Fri, 2005-04-08 at 13:04 -0400, Daniel Berlin wrote:
> > When we rescan the operands, we get a different set of V_MAY_DEFS,
> > specifically we lose the V_MAY_DEF for SFT.3_20.
> 
> Why?
> 
> It should be copying subvars to the new vectorizer variable too.
> At least, i believe i added that.
Where would I look for that code?  I'm totally unfamiliar with the
vectorizer code.
jeff