ICE in change_address at emit_rtl.c

[Zack Weinberg]

On Mon, Nov 26, 2001 at 11:50:10AM -0800, Mark Mitchell wrote:
> >>Patch pre-approved.
> >
> >Neil tried to do this a few weeks back and got shot down because
> >apparently it would make trunk->branch merges harder.  What has
> >changed?
> 
> That I didn't see the original discussion, and therefore waded in
> with a new, unilateral decision, thinking that nobody had made a
> decision before.
> 
> But, I justify my decision like this:
> 
> 1. The trunk should be focused on the 3.1 release, and this field
>   has no value in that release.
> 
> 2. It is unclear that this is even the right data structure to use.
>   Inflating the size of all trees, just for use during the AST
>   optimization phase, is not necessarily a good design.
> 
> 3. How much harder is the merge?  The next time you merge to the
>   branch, you manually keep the aux field.  Then you have it
>   forever more.

For the record, I agree with all of this reasoning.  I just wanted to
make sure that the constituents of the ast-optimizer-branch didn't get
railroaded.

zw